Home / 15,610.68-21,535.38-9,322.56

Finding the Fourth Proportional to 15,610.68, 21,535.38 and 9,322.56

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Solution

The fourth proportional to 15,610.68, 21,535.38 and 9,322.56 is: 12,860.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,610.68 : 21,535.38 = 9,322.56 : x
  2. Step 2: Convert to fraction form
    15,610.68/21,535.38 = 9,322.56/x
  3. Step 3: Cross multiply
    15,610.68x = 21,535.38 × 9,322.56
  4. Step 4: Simplify right side
    15,610.68x = 200,764,872.17
  5. Step 5: Solve for x
    x = 200,764,872.17/15,610.68
  6. Step 6: Final answer
    x = 12,860.74

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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.