Home / 15,168.20-22,752.30-12,576.20

Finding the Fourth Proportional to 15,168.20, 22,752.30 and 12,576.20

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Solution

The fourth proportional to 15,168.20, 22,752.30 and 12,576.20 is: 18,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168.20 : 22,752.30 = 12,576.20 : x
  2. Step 2: Convert to fraction form
    15,168.20/22,752.30 = 12,576.20/x
  3. Step 3: Cross multiply
    15,168.20x = 22,752.30 × 12,576.20
  4. Step 4: Simplify right side
    15,168.20x = 286,137,475.26
  5. Step 5: Solve for x
    x = 286,137,475.26/15,168.20
  6. Step 6: Final answer
    x = 18,864.30

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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.