Home / 23,174.32-31,981.08-13,739.44

Finding the Fourth Proportional to 23,174.32, 31,981.08 and 13,739.44

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Solution

The fourth proportional to 23,174.32, 31,981.08 and 13,739.44 is: 18,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,174.32 : 31,981.08 = 13,739.44 : x
  2. Step 2: Convert to fraction form
    23,174.32/31,981.08 = 13,739.44/x
  3. Step 3: Cross multiply
    23,174.32x = 31,981.08 × 13,739.44
  4. Step 4: Simplify right side
    23,174.32x = 439,402,129.80
  5. Step 5: Solve for x
    x = 439,402,129.80/23,174.32
  6. Step 6: Final answer
    x = 18,960.73

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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.