Home / 15,621.24-23,438.34-8,231.16

Finding the Fourth Proportional to 15,621.24, 23,438.34 and 8,231.16

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Solution

The fourth proportional to 15,621.24, 23,438.34 and 8,231.16 is: 12,350.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.24 : 23,438.34 = 8,231.16 : x
  2. Step 2: Convert to fraction form
    15,621.24/23,438.34 = 8,231.16/x
  3. Step 3: Cross multiply
    15,621.24x = 23,438.34 × 8,231.16
  4. Step 4: Simplify right side
    15,621.24x = 192,924,726.67
  5. Step 5: Solve for x
    x = 192,924,726.67/15,621.24
  6. Step 6: Final answer
    x = 12,350.15

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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.