Home / 11,287.72-16,925.42-8,962.66

Finding the Fourth Proportional to 11,287.72, 16,925.42 and 8,962.66

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Solution

The fourth proportional to 11,287.72, 16,925.42 and 8,962.66 is: 13,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.72 : 16,925.42 = 8,962.66 : x
  2. Step 2: Convert to fraction form
    11,287.72/16,925.42 = 8,962.66/x
  3. Step 3: Cross multiply
    11,287.72x = 16,925.42 × 8,962.66
  4. Step 4: Simplify right side
    11,287.72x = 151,696,777.97
  5. Step 5: Solve for x
    x = 151,696,777.97/11,287.72
  6. Step 6: Final answer
    x = 13,439.10

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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.