Home / 20,294.34-28,006.14-11,341.83

Finding the Fourth Proportional to 20,294.34, 28,006.14 and 11,341.83

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Solution

The fourth proportional to 20,294.34, 28,006.14 and 11,341.83 is: 15,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294.34 : 28,006.14 = 11,341.83 : x
  2. Step 2: Convert to fraction form
    20,294.34/28,006.14 = 11,341.83/x
  3. Step 3: Cross multiply
    20,294.34x = 28,006.14 × 11,341.83
  4. Step 4: Simplify right side
    20,294.34x = 317,640,878.84
  5. Step 5: Solve for x
    x = 317,640,878.84/20,294.34
  6. Step 6: Final answer
    x = 15,651.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.