Home / 18,292.20-27,434.19-10,898.76

Finding the Fourth Proportional to 18,292.20, 27,434.19 and 10,898.76

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Solution

The fourth proportional to 18,292.20, 27,434.19 and 10,898.76 is: 16,345.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292.20 : 27,434.19 = 10,898.76 : x
  2. Step 2: Convert to fraction form
    18,292.20/27,434.19 = 10,898.76/x
  3. Step 3: Cross multiply
    18,292.20x = 27,434.19 × 10,898.76
  4. Step 4: Simplify right side
    18,292.20x = 298,998,652.60
  5. Step 5: Solve for x
    x = 298,998,652.60/18,292.20
  6. Step 6: Final answer
    x = 16,345.69

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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.