Home / 23,071.39-31,838.14-13,000.86

Finding the Fourth Proportional to 23,071.39, 31,838.14 and 13,000.86

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Solution

The fourth proportional to 23,071.39, 31,838.14 and 13,000.86 is: 17,940.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,071.39 : 31,838.14 = 13,000.86 : x
  2. Step 2: Convert to fraction form
    23,071.39/31,838.14 = 13,000.86/x
  3. Step 3: Cross multiply
    23,071.39x = 31,838.14 × 13,000.86
  4. Step 4: Simplify right side
    23,071.39x = 413,923,200.80
  5. Step 5: Solve for x
    x = 413,923,200.80/23,071.39
  6. Step 6: Final answer
    x = 17,940.97

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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.