Home / 15,619.68-23,428.32-5,757.12

Finding the Fourth Proportional to 15,619.68, 23,428.32 and 5,757.12

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Solution

The fourth proportional to 15,619.68, 23,428.32 and 5,757.12 is: 8,635.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619.68 : 23,428.32 = 5,757.12 : x
  2. Step 2: Convert to fraction form
    15,619.68/23,428.32 = 5,757.12/x
  3. Step 3: Cross multiply
    15,619.68x = 23,428.32 × 5,757.12
  4. Step 4: Simplify right side
    15,619.68x = 134,879,649.64
  5. Step 5: Solve for x
    x = 134,879,649.64/15,619.68
  6. Step 6: Final answer
    x = 8,635.24

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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.