Home / 22,191.66-30,624.53-12,631.23

Finding the Fourth Proportional to 22,191.66, 30,624.53 and 12,631.23

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Solution

The fourth proportional to 22,191.66, 30,624.53 and 12,631.23 is: 17,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,191.66 : 30,624.53 = 12,631.23 : x
  2. Step 2: Convert to fraction form
    22,191.66/30,624.53 = 12,631.23/x
  3. Step 3: Cross multiply
    22,191.66x = 30,624.53 × 12,631.23
  4. Step 4: Simplify right side
    22,191.66x = 386,825,418.92
  5. Step 5: Solve for x
    x = 386,825,418.92/22,191.66
  6. Step 6: Final answer
    x = 17,431.12

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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.