Home / 10,287.66-15,431.49-2,496.47

Finding the Fourth Proportional to 10,287.66, 15,431.49 and 2,496.47

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Solution

The fourth proportional to 10,287.66, 15,431.49 and 2,496.47 is: 3,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.66 : 15,431.49 = 2,496.47 : x
  2. Step 2: Convert to fraction form
    10,287.66/15,431.49 = 2,496.47/x
  3. Step 3: Cross multiply
    10,287.66x = 15,431.49 × 2,496.47
  4. Step 4: Simplify right side
    10,287.66x = 38,524,239.36
  5. Step 5: Solve for x
    x = 38,524,239.36/10,287.66
  6. Step 6: Final answer
    x = 3,744.70

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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.