Home / 18,340.57-25,309.56-10,384.75

Finding the Fourth Proportional to 18,340.57, 25,309.56 and 10,384.75

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Solution

The fourth proportional to 18,340.57, 25,309.56 and 10,384.75 is: 14,330.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.57 : 25,309.56 = 10,384.75 : x
  2. Step 2: Convert to fraction form
    18,340.57/25,309.56 = 10,384.75/x
  3. Step 3: Cross multiply
    18,340.57x = 25,309.56 × 10,384.75
  4. Step 4: Simplify right side
    18,340.57x = 262,833,453.21
  5. Step 5: Solve for x
    x = 262,833,453.21/18,340.57
  6. Step 6: Final answer
    x = 14,330.71

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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.