Home / 22,649.25-31,250.93-13,696.57

Finding the Fourth Proportional to 22,649.25, 31,250.93 and 13,696.57

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Solution

The fourth proportional to 22,649.25, 31,250.93 and 13,696.57 is: 18,898.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,649.25 : 31,250.93 = 13,696.57 : x
  2. Step 2: Convert to fraction form
    22,649.25/31,250.93 = 13,696.57/x
  3. Step 3: Cross multiply
    22,649.25x = 31,250.93 × 13,696.57
  4. Step 4: Simplify right side
    22,649.25x = 428,030,550.31
  5. Step 5: Solve for x
    x = 428,030,550.31/22,649.25
  6. Step 6: Final answer
    x = 18,898.22

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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.