Home / 21,613.72-32,402.10-8,296.28

Finding the Fourth Proportional to 21,613.72, 32,402.10 and 8,296.28

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Solution

The fourth proportional to 21,613.72, 32,402.10 and 8,296.28 is: 12,437.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613.72 : 32,402.10 = 8,296.28 : x
  2. Step 2: Convert to fraction form
    21,613.72/32,402.10 = 8,296.28/x
  3. Step 3: Cross multiply
    21,613.72x = 32,402.10 × 8,296.28
  4. Step 4: Simplify right side
    21,613.72x = 268,816,894.19
  5. Step 5: Solve for x
    x = 268,816,894.19/21,613.72
  6. Step 6: Final answer
    x = 12,437.33

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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.