Home / 23,149.64-31,945.90-13,079.12

Finding the Fourth Proportional to 23,149.64, 31,945.90 and 13,079.12

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Solution

The fourth proportional to 23,149.64, 31,945.90 and 13,079.12 is: 18,048.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,149.64 : 31,945.90 = 13,079.12 : x
  2. Step 2: Convert to fraction form
    23,149.64/31,945.90 = 13,079.12/x
  3. Step 3: Cross multiply
    23,149.64x = 31,945.90 × 13,079.12
  4. Step 4: Simplify right side
    23,149.64x = 417,824,259.61
  5. Step 5: Solve for x
    x = 417,824,259.61/23,149.64
  6. Step 6: Final answer
    x = 18,048.84

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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.