Home / 16,711.49-23,062.14-9,158.55

Finding the Fourth Proportional to 16,711.49, 23,062.14 and 9,158.55

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Solution

The fourth proportional to 16,711.49, 23,062.14 and 9,158.55 is: 12,638.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,711.49 : 23,062.14 = 9,158.55 : x
  2. Step 2: Convert to fraction form
    16,711.49/23,062.14 = 9,158.55/x
  3. Step 3: Cross multiply
    16,711.49x = 23,062.14 × 9,158.55
  4. Step 4: Simplify right side
    16,711.49x = 211,215,762.30
  5. Step 5: Solve for x
    x = 211,215,762.30/16,711.49
  6. Step 6: Final answer
    x = 12,638.95

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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.