Home / 10,354.48-15,546.24-9,887.92

Finding the Fourth Proportional to 10,354.48, 15,546.24 and 9,887.92

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Solution

The fourth proportional to 10,354.48, 15,546.24 and 9,887.92 is: 14,845.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354.48 : 15,546.24 = 9,887.92 : x
  2. Step 2: Convert to fraction form
    10,354.48/15,546.24 = 9,887.92/x
  3. Step 3: Cross multiply
    10,354.48x = 15,546.24 × 9,887.92
  4. Step 4: Simplify right side
    10,354.48x = 153,719,977.42
  5. Step 5: Solve for x
    x = 153,719,977.42/10,354.48
  6. Step 6: Final answer
    x = 14,845.75

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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.