Home / 14,180.03-21,273.12-4,319.05

Finding the Fourth Proportional to 14,180.03, 21,273.12 and 4,319.05

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Solution

The fourth proportional to 14,180.03, 21,273.12 and 4,319.05 is: 6,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.03 : 21,273.12 = 4,319.05 : x
  2. Step 2: Convert to fraction form
    14,180.03/21,273.12 = 4,319.05/x
  3. Step 3: Cross multiply
    14,180.03x = 21,273.12 × 4,319.05
  4. Step 4: Simplify right side
    14,180.03x = 91,879,668.94
  5. Step 5: Solve for x
    x = 91,879,668.94/14,180.03
  6. Step 6: Final answer
    x = 6,479.51

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.