Home / 14,113.55-21,170.33-8,267.15

Finding the Fourth Proportional to 14,113.55, 21,170.33 and 8,267.15

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Solution

The fourth proportional to 14,113.55, 21,170.33 and 8,267.15 is: 12,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.55 : 21,170.33 = 8,267.15 : x
  2. Step 2: Convert to fraction form
    14,113.55/21,170.33 = 8,267.15/x
  3. Step 3: Cross multiply
    14,113.55x = 21,170.33 × 8,267.15
  4. Step 4: Simplify right side
    14,113.55x = 175,018,293.66
  5. Step 5: Solve for x
    x = 175,018,293.66/14,113.55
  6. Step 6: Final answer
    x = 12,400.73

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Similar ratio
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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.