Home / 18,298.60-25,249.39-10,747.36

Finding the Fourth Proportional to 18,298.60, 25,249.39 and 10,747.36

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Solution

The fourth proportional to 18,298.60, 25,249.39 and 10,747.36 is: 14,829.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.60 : 25,249.39 = 10,747.36 : x
  2. Step 2: Convert to fraction form
    18,298.60/25,249.39 = 10,747.36/x
  3. Step 3: Cross multiply
    18,298.60x = 25,249.39 × 10,747.36
  4. Step 4: Simplify right side
    18,298.60x = 271,364,284.11
  5. Step 5: Solve for x
    x = 271,364,284.11/18,298.60
  6. Step 6: Final answer
    x = 14,829.78

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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.