Home / 15,478.24-23,218.59-9,280.54

Finding the Fourth Proportional to 15,478.24, 23,218.59 and 9,280.54

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Solution

The fourth proportional to 15,478.24, 23,218.59 and 9,280.54 is: 13,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478.24 : 23,218.59 = 9,280.54 : x
  2. Step 2: Convert to fraction form
    15,478.24/23,218.59 = 9,280.54/x
  3. Step 3: Cross multiply
    15,478.24x = 23,218.59 × 9,280.54
  4. Step 4: Simplify right side
    15,478.24x = 215,481,053.24
  5. Step 5: Solve for x
    x = 215,481,053.24/15,478.24
  6. Step 6: Final answer
    x = 13,921.55

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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.