Home / 11,088.20-15,304.96-7,260.42

Finding the Fourth Proportional to 11,088.20, 15,304.96 and 7,260.42

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Solution

The fourth proportional to 11,088.20, 15,304.96 and 7,260.42 is: 10,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.20 : 15,304.96 = 7,260.42 : x
  2. Step 2: Convert to fraction form
    11,088.20/15,304.96 = 7,260.42/x
  3. Step 3: Cross multiply
    11,088.20x = 15,304.96 × 7,260.42
  4. Step 4: Simplify right side
    11,088.20x = 111,120,437.68
  5. Step 5: Solve for x
    x = 111,120,437.68/11,088.20
  6. Step 6: Final answer
    x = 10,021.50

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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.