Home / 23,125.76-31,919.71-13,060.09

Finding the Fourth Proportional to 23,125.76, 31,919.71 and 13,060.09

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Solution

The fourth proportional to 23,125.76, 31,919.71 and 13,060.09 is: 18,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,125.76 : 31,919.71 = 13,060.09 : x
  2. Step 2: Convert to fraction form
    23,125.76/31,919.71 = 13,060.09/x
  3. Step 3: Cross multiply
    23,125.76x = 31,919.71 × 13,060.09
  4. Step 4: Simplify right side
    23,125.76x = 416,874,060.47
  5. Step 5: Solve for x
    x = 416,874,060.47/23,125.76
  6. Step 6: Final answer
    x = 18,026.40

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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.