Home / 9,160.20-13,740.30-9,102.60

Finding the Fourth Proportional to 9,160.20, 13,740.30 and 9,102.60

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Solution

The fourth proportional to 9,160.20, 13,740.30 and 9,102.60 is: 13,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.20 : 13,740.30 = 9,102.60 : x
  2. Step 2: Convert to fraction form
    9,160.20/13,740.30 = 9,102.60/x
  3. Step 3: Cross multiply
    9,160.20x = 13,740.30 × 9,102.60
  4. Step 4: Simplify right side
    9,160.20x = 125,072,454.78
  5. Step 5: Solve for x
    x = 125,072,454.78/9,160.20
  6. Step 6: Final answer
    x = 13,653.90

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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.