Home / 15,622.20-23,444.10-11,242.80

Finding the Fourth Proportional to 15,622.20, 23,444.10 and 11,242.80

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Solution

The fourth proportional to 15,622.20, 23,444.10 and 11,242.80 is: 16,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,622.20 : 23,444.10 = 11,242.80 : x
  2. Step 2: Convert to fraction form
    15,622.20/23,444.10 = 11,242.80/x
  3. Step 3: Cross multiply
    15,622.20x = 23,444.10 × 11,242.80
  4. Step 4: Simplify right side
    15,622.20x = 263,577,327.48
  5. Step 5: Solve for x
    x = 263,577,327.48/15,622.20
  6. Step 6: Final answer
    x = 16,871.97

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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.