Home / 18,932.76-26,128.35-10,434.87

Finding the Fourth Proportional to 18,932.76, 26,128.35 and 10,434.87

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Solution

The fourth proportional to 18,932.76, 26,128.35 and 10,434.87 is: 14,400.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.76 : 26,128.35 = 10,434.87 : x
  2. Step 2: Convert to fraction form
    18,932.76/26,128.35 = 10,434.87/x
  3. Step 3: Cross multiply
    18,932.76x = 26,128.35 × 10,434.87
  4. Step 4: Simplify right side
    18,932.76x = 272,645,935.56
  5. Step 5: Solve for x
    x = 272,645,935.56/18,932.76
  6. Step 6: Final answer
    x = 14,400.75

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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.