Home / 9,515.65-13,132.65-5,538.97

Finding the Fourth Proportional to 9,515.65, 13,132.65 and 5,538.97

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Solution

The fourth proportional to 9,515.65, 13,132.65 and 5,538.97 is: 7,644.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.65 : 13,132.65 = 5,538.97 : x
  2. Step 2: Convert to fraction form
    9,515.65/13,132.65 = 5,538.97/x
  3. Step 3: Cross multiply
    9,515.65x = 13,132.65 × 5,538.97
  4. Step 4: Simplify right side
    9,515.65x = 72,741,354.37
  5. Step 5: Solve for x
    x = 72,741,354.37/9,515.65
  6. Step 6: Final answer
    x = 7,644.39

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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.