Home / 23,013.54-34,458.75-13,139.24

Finding the Fourth Proportional to 23,013.54, 34,458.75 and 13,139.24

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Solution

The fourth proportional to 23,013.54, 34,458.75 and 13,139.24 is: 19,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,013.54 : 34,458.75 = 13,139.24 : x
  2. Step 2: Convert to fraction form
    23,013.54/34,458.75 = 13,139.24/x
  3. Step 3: Cross multiply
    23,013.54x = 34,458.75 × 13,139.24
  4. Step 4: Simplify right side
    23,013.54x = 452,761,614.06
  5. Step 5: Solve for x
    x = 452,761,614.06/23,013.54
  6. Step 6: Final answer
    x = 19,673.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.