Home / 22,332.06-30,821.10-12,898.80

Finding the Fourth Proportional to 22,332.06, 30,821.10 and 12,898.80

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Solution

The fourth proportional to 22,332.06, 30,821.10 and 12,898.80 is: 17,801.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,332.06 : 30,821.10 = 12,898.80 : x
  2. Step 2: Convert to fraction form
    22,332.06/30,821.10 = 12,898.80/x
  3. Step 3: Cross multiply
    22,332.06x = 30,821.10 × 12,898.80
  4. Step 4: Simplify right side
    22,332.06x = 397,555,204.68
  5. Step 5: Solve for x
    x = 397,555,204.68/22,332.06
  6. Step 6: Final answer
    x = 17,801.99

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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.