Home / 10,560.98-15,841.40-8,577.18

Finding the Fourth Proportional to 10,560.98, 15,841.40 and 8,577.18

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Solution

The fourth proportional to 10,560.98, 15,841.40 and 8,577.18 is: 12,865.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560.98 : 15,841.40 = 8,577.18 : x
  2. Step 2: Convert to fraction form
    10,560.98/15,841.40 = 8,577.18/x
  3. Step 3: Cross multiply
    10,560.98x = 15,841.40 × 8,577.18
  4. Step 4: Simplify right side
    10,560.98x = 135,874,539.25
  5. Step 5: Solve for x
    x = 135,874,539.25/10,560.98
  6. Step 6: Final answer
    x = 12,865.71

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Double scale
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Similar ratio
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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.