Home / 20,251.08-27,946.38-11,298.57

Finding the Fourth Proportional to 20,251.08, 27,946.38 and 11,298.57

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Solution

The fourth proportional to 20,251.08, 27,946.38 and 11,298.57 is: 15,591.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.08 : 27,946.38 = 11,298.57 : x
  2. Step 2: Convert to fraction form
    20,251.08/27,946.38 = 11,298.57/x
  3. Step 3: Cross multiply
    20,251.08x = 27,946.38 × 11,298.57
  4. Step 4: Simplify right side
    20,251.08x = 315,754,068.25
  5. Step 5: Solve for x
    x = 315,754,068.25/20,251.08
  6. Step 6: Final answer
    x = 15,591.96

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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.