Home / 15,131.15-22,683.96-7,229.19

Finding the Fourth Proportional to 15,131.15, 22,683.96 and 7,229.19

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Solution

The fourth proportional to 15,131.15, 22,683.96 and 7,229.19 is: 10,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,131.15 : 22,683.96 = 7,229.19 : x
  2. Step 2: Convert to fraction form
    15,131.15/22,683.96 = 7,229.19/x
  3. Step 3: Cross multiply
    15,131.15x = 22,683.96 × 7,229.19
  4. Step 4: Simplify right side
    15,131.15x = 163,986,656.79
  5. Step 5: Solve for x
    x = 163,986,656.79/15,131.15
  6. Step 6: Final answer
    x = 10,837.69

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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.