Home / 18,290.67-25,239.98-10,331.61

Finding the Fourth Proportional to 18,290.67, 25,239.98 and 10,331.61

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Solution

The fourth proportional to 18,290.67, 25,239.98 and 10,331.61 is: 14,256.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290.67 : 25,239.98 = 10,331.61 : x
  2. Step 2: Convert to fraction form
    18,290.67/25,239.98 = 10,331.61/x
  3. Step 3: Cross multiply
    18,290.67x = 25,239.98 × 10,331.61
  4. Step 4: Simplify right side
    18,290.67x = 260,769,578.11
  5. Step 5: Solve for x
    x = 260,769,578.11/18,290.67
  6. Step 6: Final answer
    x = 14,256.97

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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.