Home / 23,121.57-31,907.88-13,050.44

Finding the Fourth Proportional to 23,121.57, 31,907.88 and 13,050.44

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Solution

The fourth proportional to 23,121.57, 31,907.88 and 13,050.44 is: 18,009.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,121.57 : 31,907.88 = 13,050.44 : x
  2. Step 2: Convert to fraction form
    23,121.57/31,907.88 = 13,050.44/x
  3. Step 3: Cross multiply
    23,121.57x = 31,907.88 × 13,050.44
  4. Step 4: Simplify right side
    23,121.57x = 416,411,648.68
  5. Step 5: Solve for x
    x = 416,411,648.68/23,121.57
  6. Step 6: Final answer
    x = 18,009.66

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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.