Home / 13,227.18-18,254.51-7,562.15

Finding the Fourth Proportional to 13,227.18, 18,254.51 and 7,562.15

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Solution

The fourth proportional to 13,227.18, 18,254.51 and 7,562.15 is: 10,436.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.18 : 18,254.51 = 7,562.15 : x
  2. Step 2: Convert to fraction form
    13,227.18/18,254.51 = 7,562.15/x
  3. Step 3: Cross multiply
    13,227.18x = 18,254.51 × 7,562.15
  4. Step 4: Simplify right side
    13,227.18x = 138,043,213.71
  5. Step 5: Solve for x
    x = 138,043,213.71/13,227.18
  6. Step 6: Final answer
    x = 10,436.33

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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.