Home / 20,292.27-30,436.23-9,616.05

Finding the Fourth Proportional to 20,292.27, 30,436.23 and 9,616.05

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Solution

The fourth proportional to 20,292.27, 30,436.23 and 9,616.05 is: 14,423.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292.27 : 30,436.23 = 9,616.05 : x
  2. Step 2: Convert to fraction form
    20,292.27/30,436.23 = 9,616.05/x
  3. Step 3: Cross multiply
    20,292.27x = 30,436.23 × 9,616.05
  4. Step 4: Simplify right side
    20,292.27x = 292,676,309.49
  5. Step 5: Solve for x
    x = 292,676,309.49/20,292.27
  6. Step 6: Final answer
    x = 14,423.04

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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.