Home / 18,277.38-25,214.73-10,719.87

Finding the Fourth Proportional to 18,277.38, 25,214.73 and 10,719.87

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Solution

The fourth proportional to 18,277.38, 25,214.73 and 10,719.87 is: 14,788.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.38 : 25,214.73 = 10,719.87 : x
  2. Step 2: Convert to fraction form
    18,277.38/25,214.73 = 10,719.87/x
  3. Step 3: Cross multiply
    18,277.38x = 25,214.73 × 10,719.87
  4. Step 4: Simplify right side
    18,277.38x = 270,298,627.69
  5. Step 5: Solve for x
    x = 270,298,627.69/18,277.38
  6. Step 6: Final answer
    x = 14,788.70

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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.