Home / 19,215.25-26,517.05-10,831.75

Finding the Fourth Proportional to 19,215.25, 26,517.05 and 10,831.75

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Solution

The fourth proportional to 19,215.25, 26,517.05 and 10,831.75 is: 14,947.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.25 : 26,517.05 = 10,831.75 : x
  2. Step 2: Convert to fraction form
    19,215.25/26,517.05 = 10,831.75/x
  3. Step 3: Cross multiply
    19,215.25x = 26,517.05 × 10,831.75
  4. Step 4: Simplify right side
    19,215.25x = 287,226,056.34
  5. Step 5: Solve for x
    x = 287,226,056.34/19,215.25
  6. Step 6: Final answer
    x = 14,947.82

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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.