Home / 23,311.42-32,169.66-13,239.40

Finding the Fourth Proportional to 23,311.42, 32,169.66 and 13,239.40

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Solution

The fourth proportional to 23,311.42, 32,169.66 and 13,239.40 is: 18,270.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,311.42 : 32,169.66 = 13,239.40 : x
  2. Step 2: Convert to fraction form
    23,311.42/32,169.66 = 13,239.40/x
  3. Step 3: Cross multiply
    23,311.42x = 32,169.66 × 13,239.40
  4. Step 4: Simplify right side
    23,311.42x = 425,906,996.60
  5. Step 5: Solve for x
    x = 425,906,996.60/23,311.42
  6. Step 6: Final answer
    x = 18,270.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.