Home / 10,171.74-15,260.85-5,551.50

Finding the Fourth Proportional to 10,171.74, 15,260.85 and 5,551.50

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Solution

The fourth proportional to 10,171.74, 15,260.85 and 5,551.50 is: 8,329.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.74 : 15,260.85 = 5,551.50 : x
  2. Step 2: Convert to fraction form
    10,171.74/15,260.85 = 5,551.50/x
  3. Step 3: Cross multiply
    10,171.74x = 15,260.85 × 5,551.50
  4. Step 4: Simplify right side
    10,171.74x = 84,720,608.78
  5. Step 5: Solve for x
    x = 84,720,608.78/10,171.74
  6. Step 6: Final answer
    x = 8,329.02

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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.