Home / 15,478.20-23,227.26-5,616.60

Finding the Fourth Proportional to 15,478.20, 23,227.26 and 5,616.60

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Solution

The fourth proportional to 15,478.20, 23,227.26 and 5,616.60 is: 8,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478.20 : 23,227.26 = 5,616.60 : x
  2. Step 2: Convert to fraction form
    15,478.20/23,227.26 = 5,616.60/x
  3. Step 3: Cross multiply
    15,478.20x = 23,227.26 × 5,616.60
  4. Step 4: Simplify right side
    15,478.20x = 130,458,228.52
  5. Step 5: Solve for x
    x = 130,458,228.52/15,478.20
  6. Step 6: Final answer
    x = 8,428.51

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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.