Home / 21,624.58-32,427.13-9,138.18

Finding the Fourth Proportional to 21,624.58, 32,427.13 and 9,138.18

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Solution

The fourth proportional to 21,624.58, 32,427.13 and 9,138.18 is: 13,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,624.58 : 32,427.13 = 9,138.18 : x
  2. Step 2: Convert to fraction form
    21,624.58/32,427.13 = 9,138.18/x
  3. Step 3: Cross multiply
    21,624.58x = 32,427.13 × 9,138.18
  4. Step 4: Simplify right side
    21,624.58x = 296,324,806.38
  5. Step 5: Solve for x
    x = 296,324,806.38/21,624.58
  6. Step 6: Final answer
    x = 13,703.15

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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.