Home / 15,562.20-21,475.58-8,488.62

Finding the Fourth Proportional to 15,562.20, 21,475.58 and 8,488.62

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Solution

The fourth proportional to 15,562.20, 21,475.58 and 8,488.62 is: 11,714.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562.20 : 21,475.58 = 8,488.62 : x
  2. Step 2: Convert to fraction form
    15,562.20/21,475.58 = 8,488.62/x
  3. Step 3: Cross multiply
    15,562.20x = 21,475.58 × 8,488.62
  4. Step 4: Simplify right side
    15,562.20x = 182,298,037.90
  5. Step 5: Solve for x
    x = 182,298,037.90/15,562.20
  6. Step 6: Final answer
    x = 11,714.16

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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.