Home / 18,842.18-28,248.68-10,932.53

Finding the Fourth Proportional to 18,842.18, 28,248.68 and 10,932.53

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Solution

The fourth proportional to 18,842.18, 28,248.68 and 10,932.53 is: 16,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.18 : 28,248.68 = 10,932.53 : x
  2. Step 2: Convert to fraction form
    18,842.18/28,248.68 = 10,932.53/x
  3. Step 3: Cross multiply
    18,842.18x = 28,248.68 × 10,932.53
  4. Step 4: Simplify right side
    18,842.18x = 308,829,427.65
  5. Step 5: Solve for x
    x = 308,829,427.65/18,842.18
  6. Step 6: Final answer
    x = 16,390.33

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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.