Home / 13,612.66-20,423.09-11,262.04

Finding the Fourth Proportional to 13,612.66, 20,423.09 and 11,262.04

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Solution

The fourth proportional to 13,612.66, 20,423.09 and 11,262.04 is: 16,896.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612.66 : 20,423.09 = 11,262.04 : x
  2. Step 2: Convert to fraction form
    13,612.66/20,423.09 = 11,262.04/x
  3. Step 3: Cross multiply
    13,612.66x = 20,423.09 × 11,262.04
  4. Step 4: Simplify right side
    13,612.66x = 230,005,600.19
  5. Step 5: Solve for x
    x = 230,005,600.19/13,612.66
  6. Step 6: Final answer
    x = 16,896.45

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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.