Home / 12,560.74-17,330.27-8,087.08

Finding the Fourth Proportional to 12,560.74, 17,330.27 and 8,087.08

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Solution

The fourth proportional to 12,560.74, 17,330.27 and 8,087.08 is: 11,157.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.74 : 17,330.27 = 8,087.08 : x
  2. Step 2: Convert to fraction form
    12,560.74/17,330.27 = 8,087.08/x
  3. Step 3: Cross multiply
    12,560.74x = 17,330.27 × 8,087.08
  4. Step 4: Simplify right side
    12,560.74x = 140,151,279.91
  5. Step 5: Solve for x
    x = 140,151,279.91/12,560.74
  6. Step 6: Final answer
    x = 11,157.88

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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.