Home / 11,528.78-17,297.25-5,689.49

Finding the Fourth Proportional to 11,528.78, 17,297.25 and 5,689.49

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Solution

The fourth proportional to 11,528.78, 17,297.25 and 5,689.49 is: 8,536.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.78 : 17,297.25 = 5,689.49 : x
  2. Step 2: Convert to fraction form
    11,528.78/17,297.25 = 5,689.49/x
  3. Step 3: Cross multiply
    11,528.78x = 17,297.25 × 5,689.49
  4. Step 4: Simplify right side
    11,528.78x = 98,412,444.42
  5. Step 5: Solve for x
    x = 98,412,444.42/11,528.78
  6. Step 6: Final answer
    x = 8,536.24

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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.