Home / 15,021.52-22,507.62-5,155.48

Finding the Fourth Proportional to 15,021.52, 22,507.62 and 5,155.48

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Solution

The fourth proportional to 15,021.52, 22,507.62 and 5,155.48 is: 7,724.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,021.52 : 22,507.62 = 5,155.48 : x
  2. Step 2: Convert to fraction form
    15,021.52/22,507.62 = 5,155.48/x
  3. Step 3: Cross multiply
    15,021.52x = 22,507.62 × 5,155.48
  4. Step 4: Simplify right side
    15,021.52x = 116,037,584.76
  5. Step 5: Solve for x
    x = 116,037,584.76/15,021.52
  6. Step 6: Final answer
    x = 7,724.76

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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.