Home / 12,887.52-17,788.32-9,344.04

Finding the Fourth Proportional to 12,887.52, 17,788.32 and 9,344.04

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Solution

The fourth proportional to 12,887.52, 17,788.32 and 9,344.04 is: 12,897.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887.52 : 17,788.32 = 9,344.04 : x
  2. Step 2: Convert to fraction form
    12,887.52/17,788.32 = 9,344.04/x
  3. Step 3: Cross multiply
    12,887.52x = 17,788.32 × 9,344.04
  4. Step 4: Simplify right side
    12,887.52x = 166,214,773.61
  5. Step 5: Solve for x
    x = 166,214,773.61/12,887.52
  6. Step 6: Final answer
    x = 12,897.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.