Home / 9,517.96-13,134.52-5,269.20

Finding the Fourth Proportional to 9,517.96, 13,134.52 and 5,269.20

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Solution

The fourth proportional to 9,517.96, 13,134.52 and 5,269.20 is: 7,271.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517.96 : 13,134.52 = 5,269.20 : x
  2. Step 2: Convert to fraction form
    9,517.96/13,134.52 = 5,269.20/x
  3. Step 3: Cross multiply
    9,517.96x = 13,134.52 × 5,269.20
  4. Step 4: Simplify right side
    9,517.96x = 69,208,412.78
  5. Step 5: Solve for x
    x = 69,208,412.78/9,517.96
  6. Step 6: Final answer
    x = 7,271.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.