Home / 21,766.12-32,618.68-9,269.24

Finding the Fourth Proportional to 21,766.12, 32,618.68 and 9,269.24

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Solution

The fourth proportional to 21,766.12, 32,618.68 and 9,269.24 is: 13,890.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766.12 : 32,618.68 = 9,269.24 : x
  2. Step 2: Convert to fraction form
    21,766.12/32,618.68 = 9,269.24/x
  3. Step 3: Cross multiply
    21,766.12x = 32,618.68 × 9,269.24
  4. Step 4: Simplify right side
    21,766.12x = 302,350,373.40
  5. Step 5: Solve for x
    x = 302,350,373.40/21,766.12
  6. Step 6: Final answer
    x = 13,890.87

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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.