Home / 13,560.11-20,262.43-10,336.58

Finding the Fourth Proportional to 13,560.11, 20,262.43 and 10,336.58

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Solution

The fourth proportional to 13,560.11, 20,262.43 and 10,336.58 is: 15,445.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.11 : 20,262.43 = 10,336.58 : x
  2. Step 2: Convert to fraction form
    13,560.11/20,262.43 = 10,336.58/x
  3. Step 3: Cross multiply
    13,560.11x = 20,262.43 × 10,336.58
  4. Step 4: Simplify right side
    13,560.11x = 209,444,101.54
  5. Step 5: Solve for x
    x = 209,444,101.54/13,560.11
  6. Step 6: Final answer
    x = 15,445.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.