Home / 23,145.15-31,940.31-13,073.61

Finding the Fourth Proportional to 23,145.15, 31,940.31 and 13,073.61

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Solution

The fourth proportional to 23,145.15, 31,940.31 and 13,073.61 is: 18,041.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.15 : 31,940.31 = 13,073.61 : x
  2. Step 2: Convert to fraction form
    23,145.15/31,940.31 = 13,073.61/x
  3. Step 3: Cross multiply
    23,145.15x = 31,940.31 × 13,073.61
  4. Step 4: Simplify right side
    23,145.15x = 417,575,156.22
  5. Step 5: Solve for x
    x = 417,575,156.22/23,145.15
  6. Step 6: Final answer
    x = 18,041.58

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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.