Home / 10,648.26-15,979.68-7,528.14

Finding the Fourth Proportional to 10,648.26, 15,979.68 and 7,528.14

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Solution

The fourth proportional to 10,648.26, 15,979.68 and 7,528.14 is: 11,297.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648.26 : 15,979.68 = 7,528.14 : x
  2. Step 2: Convert to fraction form
    10,648.26/15,979.68 = 7,528.14/x
  3. Step 3: Cross multiply
    10,648.26x = 15,979.68 × 7,528.14
  4. Step 4: Simplify right side
    10,648.26x = 120,297,268.20
  5. Step 5: Solve for x
    x = 120,297,268.20/10,648.26
  6. Step 6: Final answer
    x = 11,297.36

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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.