Home / 19,121.87-26,385.14-11,052.53

Finding the Fourth Proportional to 19,121.87, 26,385.14 and 11,052.53

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Solution

The fourth proportional to 19,121.87, 26,385.14 and 11,052.53 is: 15,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.87 : 26,385.14 = 11,052.53 : x
  2. Step 2: Convert to fraction form
    19,121.87/26,385.14 = 11,052.53/x
  3. Step 3: Cross multiply
    19,121.87x = 26,385.14 × 11,052.53
  4. Step 4: Simplify right side
    19,121.87x = 291,622,364.22
  5. Step 5: Solve for x
    x = 291,622,364.22/19,121.87
  6. Step 6: Final answer
    x = 15,250.73

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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.