Home / 18,734.88-25,854.18-10,776.58

Finding the Fourth Proportional to 18,734.88, 25,854.18 and 10,776.58

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Solution

The fourth proportional to 18,734.88, 25,854.18 and 10,776.58 is: 14,871.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.88 : 25,854.18 = 10,776.58 : x
  2. Step 2: Convert to fraction form
    18,734.88/25,854.18 = 10,776.58/x
  3. Step 3: Cross multiply
    18,734.88x = 25,854.18 × 10,776.58
  4. Step 4: Simplify right side
    18,734.88x = 278,619,639.10
  5. Step 5: Solve for x
    x = 278,619,639.10/18,734.88
  6. Step 6: Final answer
    x = 14,871.71

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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.