Home / 11,502.12-17,253.36-7,578.51

Finding the Fourth Proportional to 11,502.12, 17,253.36 and 7,578.51

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Solution

The fourth proportional to 11,502.12, 17,253.36 and 7,578.51 is: 11,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,502.12 : 17,253.36 = 7,578.51 : x
  2. Step 2: Convert to fraction form
    11,502.12/17,253.36 = 7,578.51/x
  3. Step 3: Cross multiply
    11,502.12x = 17,253.36 × 7,578.51
  4. Step 4: Simplify right side
    11,502.12x = 130,754,696.59
  5. Step 5: Solve for x
    x = 130,754,696.59/11,502.12
  6. Step 6: Final answer
    x = 11,367.87

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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.