Home / 22,959.43-31,684.48-12,888.60

Finding the Fourth Proportional to 22,959.43, 31,684.48 and 12,888.60

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Solution

The fourth proportional to 22,959.43, 31,684.48 and 12,888.60 is: 17,786.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,959.43 : 31,684.48 = 12,888.60 : x
  2. Step 2: Convert to fraction form
    22,959.43/31,684.48 = 12,888.60/x
  3. Step 3: Cross multiply
    22,959.43x = 31,684.48 × 12,888.60
  4. Step 4: Simplify right side
    22,959.43x = 408,368,366.06
  5. Step 5: Solve for x
    x = 408,368,366.06/22,959.43
  6. Step 6: Final answer
    x = 17,786.52

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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.