Home / 15,567.54-23,355.39-5,179.38

Finding the Fourth Proportional to 15,567.54, 23,355.39 and 5,179.38

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Solution

The fourth proportional to 15,567.54, 23,355.39 and 5,179.38 is: 7,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,567.54 : 23,355.39 = 5,179.38 : x
  2. Step 2: Convert to fraction form
    15,567.54/23,355.39 = 5,179.38/x
  3. Step 3: Cross multiply
    15,567.54x = 23,355.39 × 5,179.38
  4. Step 4: Simplify right side
    15,567.54x = 120,966,439.86
  5. Step 5: Solve for x
    x = 120,966,439.86/15,567.54
  6. Step 6: Final answer
    x = 7,770.43

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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.