Home / 15,084.76-20,836.92-12,575.08

Finding the Fourth Proportional to 15,084.76, 20,836.92 and 12,575.08

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Solution

The fourth proportional to 15,084.76, 20,836.92 and 12,575.08 is: 17,370.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,084.76 : 20,836.92 = 12,575.08 : x
  2. Step 2: Convert to fraction form
    15,084.76/20,836.92 = 12,575.08/x
  3. Step 3: Cross multiply
    15,084.76x = 20,836.92 × 12,575.08
  4. Step 4: Simplify right side
    15,084.76x = 262,025,935.95
  5. Step 5: Solve for x
    x = 262,025,935.95/15,084.76
  6. Step 6: Final answer
    x = 17,370.24

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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.