Home / 11,103.87-15,330.14-10,571.04

Finding the Fourth Proportional to 11,103.87, 15,330.14 and 10,571.04

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Solution

The fourth proportional to 11,103.87, 15,330.14 and 10,571.04 is: 14,594.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.87 : 15,330.14 = 10,571.04 : x
  2. Step 2: Convert to fraction form
    11,103.87/15,330.14 = 10,571.04/x
  3. Step 3: Cross multiply
    11,103.87x = 15,330.14 × 10,571.04
  4. Step 4: Simplify right side
    11,103.87x = 162,055,470.29
  5. Step 5: Solve for x
    x = 162,055,470.29/11,103.87
  6. Step 6: Final answer
    x = 14,594.50

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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.