Home / 9,180.10-13,760.55-5,013.70

Finding the Fourth Proportional to 9,180.10, 13,760.55 and 5,013.70

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Solution

The fourth proportional to 9,180.10, 13,760.55 and 5,013.70 is: 7,515.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.10 : 13,760.55 = 5,013.70 : x
  2. Step 2: Convert to fraction form
    9,180.10/13,760.55 = 5,013.70/x
  3. Step 3: Cross multiply
    9,180.10x = 13,760.55 × 5,013.70
  4. Step 4: Simplify right side
    9,180.10x = 68,991,269.54
  5. Step 5: Solve for x
    x = 68,991,269.54/9,180.10
  6. Step 6: Final answer
    x = 7,515.31

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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.