Home / 18,934.76-26,131.11-10,436.87

Finding the Fourth Proportional to 18,934.76, 26,131.11 and 10,436.87

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Solution

The fourth proportional to 18,934.76, 26,131.11 and 10,436.87 is: 14,403.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.76 : 26,131.11 = 10,436.87 : x
  2. Step 2: Convert to fraction form
    18,934.76/26,131.11 = 10,436.87/x
  3. Step 3: Cross multiply
    18,934.76x = 26,131.11 × 10,436.87
  4. Step 4: Simplify right side
    18,934.76x = 272,726,998.03
  5. Step 5: Solve for x
    x = 272,726,998.03/18,934.76
  6. Step 6: Final answer
    x = 14,403.51

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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.