Home / 15,113.12-22,672.80-6,342.88

Finding the Fourth Proportional to 15,113.12, 22,672.80 and 6,342.88

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Solution

The fourth proportional to 15,113.12, 22,672.80 and 6,342.88 is: 9,515.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113.12 : 22,672.80 = 6,342.88 : x
  2. Step 2: Convert to fraction form
    15,113.12/22,672.80 = 6,342.88/x
  3. Step 3: Cross multiply
    15,113.12x = 22,672.80 × 6,342.88
  4. Step 4: Simplify right side
    15,113.12x = 143,810,849.66
  5. Step 5: Solve for x
    x = 143,810,849.66/15,113.12
  6. Step 6: Final answer
    x = 9,515.63

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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.