Home / 15,385.47-23,078.21-4,997.22

Finding the Fourth Proportional to 15,385.47, 23,078.21 and 4,997.22

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Solution

The fourth proportional to 15,385.47, 23,078.21 and 4,997.22 is: 7,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385.47 : 23,078.21 = 4,997.22 : x
  2. Step 2: Convert to fraction form
    15,385.47/23,078.21 = 4,997.22/x
  3. Step 3: Cross multiply
    15,385.47x = 23,078.21 × 4,997.22
  4. Step 4: Simplify right side
    15,385.47x = 115,326,892.58
  5. Step 5: Solve for x
    x = 115,326,892.58/15,385.47
  6. Step 6: Final answer
    x = 7,495.83

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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.