Home / 15,505.28-23,259.36-5,645.60

Finding the Fourth Proportional to 15,505.28, 23,259.36 and 5,645.60

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Solution

The fourth proportional to 15,505.28, 23,259.36 and 5,645.60 is: 8,468.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,505.28 : 23,259.36 = 5,645.60 : x
  2. Step 2: Convert to fraction form
    15,505.28/23,259.36 = 5,645.60/x
  3. Step 3: Cross multiply
    15,505.28x = 23,259.36 × 5,645.60
  4. Step 4: Simplify right side
    15,505.28x = 131,313,042.82
  5. Step 5: Solve for x
    x = 131,313,042.82/15,505.28
  6. Step 6: Final answer
    x = 8,468.92

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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.