Home / 10,560.09-15,843.14-5,288.75

Finding the Fourth Proportional to 10,560.09, 15,843.14 and 5,288.75

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Solution

The fourth proportional to 10,560.09, 15,843.14 and 5,288.75 is: 7,934.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560.09 : 15,843.14 = 5,288.75 : x
  2. Step 2: Convert to fraction form
    10,560.09/15,843.14 = 5,288.75/x
  3. Step 3: Cross multiply
    10,560.09x = 15,843.14 × 5,288.75
  4. Step 4: Simplify right side
    10,560.09x = 83,790,301.02
  5. Step 5: Solve for x
    x = 83,790,301.02/10,560.09
  6. Step 6: Final answer
    x = 7,934.62

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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.