Home / 15,964.52-22,031.73-8,890.95

Finding the Fourth Proportional to 15,964.52, 22,031.73 and 8,890.95

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Solution

The fourth proportional to 15,964.52, 22,031.73 and 8,890.95 is: 12,269.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.52 : 22,031.73 = 8,890.95 : x
  2. Step 2: Convert to fraction form
    15,964.52/22,031.73 = 8,890.95/x
  3. Step 3: Cross multiply
    15,964.52x = 22,031.73 × 8,890.95
  4. Step 4: Simplify right side
    15,964.52x = 195,882,869.06
  5. Step 5: Solve for x
    x = 195,882,869.06/15,964.52
  6. Step 6: Final answer
    x = 12,269.89

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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.