Home / 15,887.04-23,830.56-5,493.12

Finding the Fourth Proportional to 15,887.04, 23,830.56 and 5,493.12

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Solution

The fourth proportional to 15,887.04, 23,830.56 and 5,493.12 is: 8,239.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,887.04 : 23,830.56 = 5,493.12 : x
  2. Step 2: Convert to fraction form
    15,887.04/23,830.56 = 5,493.12/x
  3. Step 3: Cross multiply
    15,887.04x = 23,830.56 × 5,493.12
  4. Step 4: Simplify right side
    15,887.04x = 130,904,125.75
  5. Step 5: Solve for x
    x = 130,904,125.75/15,887.04
  6. Step 6: Final answer
    x = 8,239.68

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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.