Home / 14,976.56-20,668.59-8,605.19

Finding the Fourth Proportional to 14,976.56, 20,668.59 and 8,605.19

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Solution

The fourth proportional to 14,976.56, 20,668.59 and 8,605.19 is: 11,875.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,976.56 : 20,668.59 = 8,605.19 : x
  2. Step 2: Convert to fraction form
    14,976.56/20,668.59 = 8,605.19/x
  3. Step 3: Cross multiply
    14,976.56x = 20,668.59 × 8,605.19
  4. Step 4: Simplify right side
    14,976.56x = 177,857,040.64
  5. Step 5: Solve for x
    x = 177,857,040.64/14,976.56
  6. Step 6: Final answer
    x = 11,875.70

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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.