Home / 15,171.69-22,757.58-8,289.93

Finding the Fourth Proportional to 15,171.69, 22,757.58 and 8,289.93

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Solution

The fourth proportional to 15,171.69, 22,757.58 and 8,289.93 is: 12,434.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171.69 : 22,757.58 = 8,289.93 : x
  2. Step 2: Convert to fraction form
    15,171.69/22,757.58 = 8,289.93/x
  3. Step 3: Cross multiply
    15,171.69x = 22,757.58 × 8,289.93
  4. Step 4: Simplify right side
    15,171.69x = 188,658,745.17
  5. Step 5: Solve for x
    x = 188,658,745.17/15,171.69
  6. Step 6: Final answer
    x = 12,434.92

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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.