Home / 15,439.70-23,131.20-8,846.30

Finding the Fourth Proportional to 15,439.70, 23,131.20 and 8,846.30

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Solution

The fourth proportional to 15,439.70, 23,131.20 and 8,846.30 is: 13,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.70 : 23,131.20 = 8,846.30 : x
  2. Step 2: Convert to fraction form
    15,439.70/23,131.20 = 8,846.30/x
  3. Step 3: Cross multiply
    15,439.70x = 23,131.20 × 8,846.30
  4. Step 4: Simplify right side
    15,439.70x = 204,625,534.56
  5. Step 5: Solve for x
    x = 204,625,534.56/15,439.70
  6. Step 6: Final answer
    x = 13,253.21

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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.