Home / 23,121.07-31,907.18-13,049.93

Finding the Fourth Proportional to 23,121.07, 31,907.18 and 13,049.93

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Solution

The fourth proportional to 23,121.07, 31,907.18 and 13,049.93 is: 18,008.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,121.07 : 31,907.18 = 13,049.93 : x
  2. Step 2: Convert to fraction form
    23,121.07/31,907.18 = 13,049.93/x
  3. Step 3: Cross multiply
    23,121.07x = 31,907.18 × 13,049.93
  4. Step 4: Simplify right side
    23,121.07x = 416,386,577.89
  5. Step 5: Solve for x
    x = 416,386,577.89/23,121.07
  6. Step 6: Final answer
    x = 18,008.97

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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.