Home / 12,710.60-17,531.88-8,941.76

Finding the Fourth Proportional to 12,710.60, 17,531.88 and 8,941.76

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Solution

The fourth proportional to 12,710.60, 17,531.88 and 8,941.76 is: 12,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710.60 : 17,531.88 = 8,941.76 : x
  2. Step 2: Convert to fraction form
    12,710.60/17,531.88 = 8,941.76/x
  3. Step 3: Cross multiply
    12,710.60x = 17,531.88 × 8,941.76
  4. Step 4: Simplify right side
    12,710.60x = 156,765,863.31
  5. Step 5: Solve for x
    x = 156,765,863.31/12,710.60
  6. Step 6: Final answer
    x = 12,333.47

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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.