Home / 19,409.25-26,805.10-13,375.18

Finding the Fourth Proportional to 19,409.25, 26,805.10 and 13,375.18

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Solution

The fourth proportional to 19,409.25, 26,805.10 and 13,375.18 is: 18,471.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.25 : 26,805.10 = 13,375.18 : x
  2. Step 2: Convert to fraction form
    19,409.25/26,805.10 = 13,375.18/x
  3. Step 3: Cross multiply
    19,409.25x = 26,805.10 × 13,375.18
  4. Step 4: Simplify right side
    19,409.25x = 358,522,936.97
  5. Step 5: Solve for x
    x = 358,522,936.97/19,409.25
  6. Step 6: Final answer
    x = 18,471.76

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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.