Home / 18,290.50-25,238.86-10,331.04

Finding the Fourth Proportional to 18,290.50, 25,238.86 and 10,331.04

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Solution

The fourth proportional to 18,290.50, 25,238.86 and 10,331.04 is: 14,255.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290.50 : 25,238.86 = 10,331.04 : x
  2. Step 2: Convert to fraction form
    18,290.50/25,238.86 = 10,331.04/x
  3. Step 3: Cross multiply
    18,290.50x = 25,238.86 × 10,331.04
  4. Step 4: Simplify right side
    18,290.50x = 260,743,672.21
  5. Step 5: Solve for x
    x = 260,743,672.21/18,290.50
  6. Step 6: Final answer
    x = 14,255.69

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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.