Home / 10,226.69-15,331.81-5,781.61

Finding the Fourth Proportional to 10,226.69, 15,331.81 and 5,781.61

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Solution

The fourth proportional to 10,226.69, 15,331.81 and 5,781.61 is: 8,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.69 : 15,331.81 = 5,781.61 : x
  2. Step 2: Convert to fraction form
    10,226.69/15,331.81 = 5,781.61/x
  3. Step 3: Cross multiply
    10,226.69x = 15,331.81 × 5,781.61
  4. Step 4: Simplify right side
    10,226.69x = 88,642,546.01
  5. Step 5: Solve for x
    x = 88,642,546.01/10,226.69
  6. Step 6: Final answer
    x = 8,667.77

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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.