Home / 20,446.10-30,669.15-10,588.40

Finding the Fourth Proportional to 20,446.10, 30,669.15 and 10,588.40

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Solution

The fourth proportional to 20,446.10, 30,669.15 and 10,588.40 is: 15,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.10 : 30,669.15 = 10,588.40 : x
  2. Step 2: Convert to fraction form
    20,446.10/30,669.15 = 10,588.40/x
  3. Step 3: Cross multiply
    20,446.10x = 30,669.15 × 10,588.40
  4. Step 4: Simplify right side
    20,446.10x = 324,737,227.86
  5. Step 5: Solve for x
    x = 324,737,227.86/20,446.10
  6. Step 6: Final answer
    x = 15,882.60

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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.