Home / 22,400.52-30,912.72-12,328.95

Finding the Fourth Proportional to 22,400.52, 30,912.72 and 12,328.95

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Solution

The fourth proportional to 22,400.52, 30,912.72 and 12,328.95 is: 17,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,400.52 : 30,912.72 = 12,328.95 : x
  2. Step 2: Convert to fraction form
    22,400.52/30,912.72 = 12,328.95/x
  3. Step 3: Cross multiply
    22,400.52x = 30,912.72 × 12,328.95
  4. Step 4: Simplify right side
    22,400.52x = 381,121,379.24
  5. Step 5: Solve for x
    x = 381,121,379.24/22,400.52
  6. Step 6: Final answer
    x = 17,013.95

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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.