Home / 21,318.12-32,000.22-9,014.76

Finding the Fourth Proportional to 21,318.12, 32,000.22 and 9,014.76

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Solution

The fourth proportional to 21,318.12, 32,000.22 and 9,014.76 is: 13,531.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,318.12 : 32,000.22 = 9,014.76 : x
  2. Step 2: Convert to fraction form
    21,318.12/32,000.22 = 9,014.76/x
  3. Step 3: Cross multiply
    21,318.12x = 32,000.22 × 9,014.76
  4. Step 4: Simplify right side
    21,318.12x = 288,474,303.25
  5. Step 5: Solve for x
    x = 288,474,303.25/21,318.12
  6. Step 6: Final answer
    x = 13,531.88

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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.