Home / 15,577.59-21,497.53-8,863.16

Finding the Fourth Proportional to 15,577.59, 21,497.53 and 8,863.16

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Solution

The fourth proportional to 15,577.59, 21,497.53 and 8,863.16 is: 12,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.59 : 21,497.53 = 8,863.16 : x
  2. Step 2: Convert to fraction form
    15,577.59/21,497.53 = 8,863.16/x
  3. Step 3: Cross multiply
    15,577.59x = 21,497.53 × 8,863.16
  4. Step 4: Simplify right side
    15,577.59x = 190,536,000.73
  5. Step 5: Solve for x
    x = 190,536,000.73/15,577.59
  6. Step 6: Final answer
    x = 12,231.42

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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.