Home / 11,254.47-15,531.39-7,282.50

Finding the Fourth Proportional to 11,254.47, 15,531.39 and 7,282.50

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Solution

The fourth proportional to 11,254.47, 15,531.39 and 7,282.50 is: 10,049.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.47 : 15,531.39 = 7,282.50 : x
  2. Step 2: Convert to fraction form
    11,254.47/15,531.39 = 7,282.50/x
  3. Step 3: Cross multiply
    11,254.47x = 15,531.39 × 7,282.50
  4. Step 4: Simplify right side
    11,254.47x = 113,107,347.68
  5. Step 5: Solve for x
    x = 113,107,347.68/11,254.47
  6. Step 6: Final answer
    x = 10,049.99

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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.