Home / 18,920.64-28,398.44-9,567.24

Finding the Fourth Proportional to 18,920.64, 28,398.44 and 9,567.24

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Solution

The fourth proportional to 18,920.64, 28,398.44 and 9,567.24 is: 14,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920.64 : 28,398.44 = 9,567.24 : x
  2. Step 2: Convert to fraction form
    18,920.64/28,398.44 = 9,567.24/x
  3. Step 3: Cross multiply
    18,920.64x = 28,398.44 × 9,567.24
  4. Step 4: Simplify right side
    18,920.64x = 271,694,691.11
  5. Step 5: Solve for x
    x = 271,694,691.11/18,920.64
  6. Step 6: Final answer
    x = 14,359.70

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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.