Home / 22,331.14-33,521.31-12,981.70

Finding the Fourth Proportional to 22,331.14, 33,521.31 and 12,981.70

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Solution

The fourth proportional to 22,331.14, 33,521.31 and 12,981.70 is: 19,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,331.14 : 33,521.31 = 12,981.70 : x
  2. Step 2: Convert to fraction form
    22,331.14/33,521.31 = 12,981.70/x
  3. Step 3: Cross multiply
    22,331.14x = 33,521.31 × 12,981.70
  4. Step 4: Simplify right side
    22,331.14x = 435,163,590.03
  5. Step 5: Solve for x
    x = 435,163,590.03/22,331.14
  6. Step 6: Final answer
    x = 19,486.85

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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.