Home / 15,520.27-23,284.04-4,427.12

Finding the Fourth Proportional to 15,520.27, 23,284.04 and 4,427.12

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Solution

The fourth proportional to 15,520.27, 23,284.04 and 4,427.12 is: 6,641.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.27 : 23,284.04 = 4,427.12 : x
  2. Step 2: Convert to fraction form
    15,520.27/23,284.04 = 4,427.12/x
  3. Step 3: Cross multiply
    15,520.27x = 23,284.04 × 4,427.12
  4. Step 4: Simplify right side
    15,520.27x = 103,081,239.16
  5. Step 5: Solve for x
    x = 103,081,239.16/15,520.27
  6. Step 6: Final answer
    x = 6,641.72

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Double scale
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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.