Home / 20,293.14-28,004.13-12,337.95

Finding the Fourth Proportional to 20,293.14, 28,004.13 and 12,337.95

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Solution

The fourth proportional to 20,293.14, 28,004.13 and 12,337.95 is: 17,026.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.14 : 28,004.13 = 12,337.95 : x
  2. Step 2: Convert to fraction form
    20,293.14/28,004.13 = 12,337.95/x
  3. Step 3: Cross multiply
    20,293.14x = 28,004.13 × 12,337.95
  4. Step 4: Simplify right side
    20,293.14x = 345,513,555.73
  5. Step 5: Solve for x
    x = 345,513,555.73/20,293.14
  6. Step 6: Final answer
    x = 17,026.13

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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.