Home / 13,575.48-18,689.37-11,806.14

Finding the Fourth Proportional to 13,575.48, 18,689.37 and 11,806.14

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Solution

The fourth proportional to 13,575.48, 18,689.37 and 11,806.14 is: 16,253.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.48 : 18,689.37 = 11,806.14 : x
  2. Step 2: Convert to fraction form
    13,575.48/18,689.37 = 11,806.14/x
  3. Step 3: Cross multiply
    13,575.48x = 18,689.37 × 11,806.14
  4. Step 4: Simplify right side
    13,575.48x = 220,649,318.73
  5. Step 5: Solve for x
    x = 220,649,318.73/13,575.48
  6. Step 6: Final answer
    x = 16,253.52

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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.