Home / 11,140.79-16,708.28-3,243.29

Finding the Fourth Proportional to 11,140.79, 16,708.28 and 3,243.29

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Solution

The fourth proportional to 11,140.79, 16,708.28 and 3,243.29 is: 4,864.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.79 : 16,708.28 = 3,243.29 : x
  2. Step 2: Convert to fraction form
    11,140.79/16,708.28 = 3,243.29/x
  3. Step 3: Cross multiply
    11,140.79x = 16,708.28 × 3,243.29
  4. Step 4: Simplify right side
    11,140.79x = 54,189,697.68
  5. Step 5: Solve for x
    x = 54,189,697.68/11,140.79
  6. Step 6: Final answer
    x = 4,864.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.