Home / 23,159.18-31,959.78-12,548.81

Finding the Fourth Proportional to 23,159.18, 31,959.78 and 12,548.81

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Solution

The fourth proportional to 23,159.18, 31,959.78 and 12,548.81 is: 17,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,159.18 : 31,959.78 = 12,548.81 : x
  2. Step 2: Convert to fraction form
    23,159.18/31,959.78 = 12,548.81/x
  3. Step 3: Cross multiply
    23,159.18x = 31,959.78 × 12,548.81
  4. Step 4: Simplify right side
    23,159.18x = 401,057,310.29
  5. Step 5: Solve for x
    x = 401,057,310.29/23,159.18
  6. Step 6: Final answer
    x = 17,317.42

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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.