Home / 15,560.59-21,473.62-8,487.02

Finding the Fourth Proportional to 15,560.59, 21,473.62 and 8,487.02

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Solution

The fourth proportional to 15,560.59, 21,473.62 and 8,487.02 is: 11,712.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,560.59 : 21,473.62 = 8,487.02 : x
  2. Step 2: Convert to fraction form
    15,560.59/21,473.62 = 8,487.02/x
  3. Step 3: Cross multiply
    15,560.59x = 21,473.62 × 8,487.02
  4. Step 4: Simplify right side
    15,560.59x = 182,247,042.41
  5. Step 5: Solve for x
    x = 182,247,042.41/15,560.59
  6. Step 6: Final answer
    x = 11,712.09

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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.