Home / 19,112.26-26,374.90-10,728.76

Finding the Fourth Proportional to 19,112.26, 26,374.90 and 10,728.76

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Solution

The fourth proportional to 19,112.26, 26,374.90 and 10,728.76 is: 14,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.26 : 26,374.90 = 10,728.76 : x
  2. Step 2: Convert to fraction form
    19,112.26/26,374.90 = 10,728.76/x
  3. Step 3: Cross multiply
    19,112.26x = 26,374.90 × 10,728.76
  4. Step 4: Simplify right side
    19,112.26x = 282,969,972.12
  5. Step 5: Solve for x
    x = 282,969,972.12/19,112.26
  6. Step 6: Final answer
    x = 14,805.68

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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.