Home / 10,114.80-15,157.60-8,569.32

Finding the Fourth Proportional to 10,114.80, 15,157.60 and 8,569.32

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Solution

The fourth proportional to 10,114.80, 15,157.60 and 8,569.32 is: 12,841.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,114.80 : 15,157.60 = 8,569.32 : x
  2. Step 2: Convert to fraction form
    10,114.80/15,157.60 = 8,569.32/x
  3. Step 3: Cross multiply
    10,114.80x = 15,157.60 × 8,569.32
  4. Step 4: Simplify right side
    10,114.80x = 129,890,324.83
  5. Step 5: Solve for x
    x = 129,890,324.83/10,114.80
  6. Step 6: Final answer
    x = 12,841.61

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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.