Home / 12,981.38-19,474.50-6,055.88

Finding the Fourth Proportional to 12,981.38, 19,474.50 and 6,055.88

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Solution

The fourth proportional to 12,981.38, 19,474.50 and 6,055.88 is: 9,084.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,981.38 : 19,474.50 = 6,055.88 : x
  2. Step 2: Convert to fraction form
    12,981.38/19,474.50 = 6,055.88/x
  3. Step 3: Cross multiply
    12,981.38x = 19,474.50 × 6,055.88
  4. Step 4: Simplify right side
    12,981.38x = 117,935,137.69
  5. Step 5: Solve for x
    x = 117,935,137.69/12,981.38
  6. Step 6: Final answer
    x = 9,084.95

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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.