Home / 14,668.56-20,225.16-11,125.62

Finding the Fourth Proportional to 14,668.56, 20,225.16 and 11,125.62

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Solution

The fourth proportional to 14,668.56, 20,225.16 and 11,125.62 is: 15,340.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,668.56 : 20,225.16 = 11,125.62 : x
  2. Step 2: Convert to fraction form
    14,668.56/20,225.16 = 11,125.62/x
  3. Step 3: Cross multiply
    14,668.56x = 20,225.16 × 11,125.62
  4. Step 4: Simplify right side
    14,668.56x = 225,017,444.60
  5. Step 5: Solve for x
    x = 225,017,444.60/14,668.56
  6. Step 6: Final answer
    x = 15,340.12

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.