Home / 16,864.60-23,272.32-9,789.88

Finding the Fourth Proportional to 16,864.60, 23,272.32 and 9,789.88

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Solution

The fourth proportional to 16,864.60, 23,272.32 and 9,789.88 is: 13,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.60 : 23,272.32 = 9,789.88 : x
  2. Step 2: Convert to fraction form
    16,864.60/23,272.32 = 9,789.88/x
  3. Step 3: Cross multiply
    16,864.60x = 23,272.32 × 9,789.88
  4. Step 4: Simplify right side
    16,864.60x = 227,833,220.12
  5. Step 5: Solve for x
    x = 227,833,220.12/16,864.60
  6. Step 6: Final answer
    x = 13,509.55

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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.