Home / 14,494.68-21,750.12-13,380.12

Finding the Fourth Proportional to 14,494.68, 21,750.12 and 13,380.12

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Solution

The fourth proportional to 14,494.68, 21,750.12 and 13,380.12 is: 20,077.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,494.68 : 21,750.12 = 13,380.12 : x
  2. Step 2: Convert to fraction form
    14,494.68/21,750.12 = 13,380.12/x
  3. Step 3: Cross multiply
    14,494.68x = 21,750.12 × 13,380.12
  4. Step 4: Simplify right side
    14,494.68x = 291,019,215.61
  5. Step 5: Solve for x
    x = 291,019,215.61/14,494.68
  6. Step 6: Final answer
    x = 20,077.66

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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.