Home / 22,368.13-30,868.62-12,159.85

Finding the Fourth Proportional to 22,368.13, 30,868.62 and 12,159.85

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Solution

The fourth proportional to 22,368.13, 30,868.62 and 12,159.85 is: 16,780.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,368.13 : 30,868.62 = 12,159.85 : x
  2. Step 2: Convert to fraction form
    22,368.13/30,868.62 = 12,159.85/x
  3. Step 3: Cross multiply
    22,368.13x = 30,868.62 × 12,159.85
  4. Step 4: Simplify right side
    22,368.13x = 375,357,743.31
  5. Step 5: Solve for x
    x = 375,357,743.31/22,368.13
  6. Step 6: Final answer
    x = 16,780.92

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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.