Home / 21,443.18-32,173.95-8,966.12

Finding the Fourth Proportional to 21,443.18, 32,173.95 and 8,966.12

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Solution

The fourth proportional to 21,443.18, 32,173.95 and 8,966.12 is: 13,453.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,443.18 : 32,173.95 = 8,966.12 : x
  2. Step 2: Convert to fraction form
    21,443.18/32,173.95 = 8,966.12/x
  3. Step 3: Cross multiply
    21,443.18x = 32,173.95 × 8,966.12
  4. Step 4: Simplify right side
    21,443.18x = 288,475,496.57
  5. Step 5: Solve for x
    x = 288,475,496.57/21,443.18
  6. Step 6: Final answer
    x = 13,453.02

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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.