Home / 20,253.08-27,951.18-12,293.48

Finding the Fourth Proportional to 20,253.08, 27,951.18 and 12,293.48

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Solution

The fourth proportional to 20,253.08, 27,951.18 and 12,293.48 is: 16,966.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.08 : 27,951.18 = 12,293.48 : x
  2. Step 2: Convert to fraction form
    20,253.08/27,951.18 = 12,293.48/x
  3. Step 3: Cross multiply
    20,253.08x = 27,951.18 × 12,293.48
  4. Step 4: Simplify right side
    20,253.08x = 343,617,272.31
  5. Step 5: Solve for x
    x = 343,617,272.31/20,253.08
  6. Step 6: Final answer
    x = 16,966.17

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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.