Home / 18,944.79-26,149.55-10,988.97

Finding the Fourth Proportional to 18,944.79, 26,149.55 and 10,988.97

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Solution

The fourth proportional to 18,944.79, 26,149.55 and 10,988.97 is: 15,168.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944.79 : 26,149.55 = 10,988.97 : x
  2. Step 2: Convert to fraction form
    18,944.79/26,149.55 = 10,988.97/x
  3. Step 3: Cross multiply
    18,944.79x = 26,149.55 × 10,988.97
  4. Step 4: Simplify right side
    18,944.79x = 287,356,565.52
  5. Step 5: Solve for x
    x = 287,356,565.52/18,944.79
  6. Step 6: Final answer
    x = 15,168.11

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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.