Home / 15,100.30-22,650.45-12,864.70

Finding the Fourth Proportional to 15,100.30, 22,650.45 and 12,864.70

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Solution

The fourth proportional to 15,100.30, 22,650.45 and 12,864.70 is: 19,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,100.30 : 22,650.45 = 12,864.70 : x
  2. Step 2: Convert to fraction form
    15,100.30/22,650.45 = 12,864.70/x
  3. Step 3: Cross multiply
    15,100.30x = 22,650.45 × 12,864.70
  4. Step 4: Simplify right side
    15,100.30x = 291,391,244.12
  5. Step 5: Solve for x
    x = 291,391,244.12/15,100.30
  6. Step 6: Final answer
    x = 19,297.05

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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.