Home / 12,925.12-19,388.10-3,565.84

Finding the Fourth Proportional to 12,925.12, 19,388.10 and 3,565.84

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Solution

The fourth proportional to 12,925.12, 19,388.10 and 3,565.84 is: 5,348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,925.12 : 19,388.10 = 3,565.84 : x
  2. Step 2: Convert to fraction form
    12,925.12/19,388.10 = 3,565.84/x
  3. Step 3: Cross multiply
    12,925.12x = 19,388.10 × 3,565.84
  4. Step 4: Simplify right side
    12,925.12x = 69,134,862.50
  5. Step 5: Solve for x
    x = 69,134,862.50/12,925.12
  6. Step 6: Final answer
    x = 5,348.88

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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.