Home / 18,358.62-25,332.84-10,399.14

Finding the Fourth Proportional to 18,358.62, 25,332.84 and 10,399.14

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Solution

The fourth proportional to 18,358.62, 25,332.84 and 10,399.14 is: 14,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.62 : 25,332.84 = 10,399.14 : x
  2. Step 2: Convert to fraction form
    18,358.62/25,332.84 = 10,399.14/x
  3. Step 3: Cross multiply
    18,358.62x = 25,332.84 × 10,399.14
  4. Step 4: Simplify right side
    18,358.62x = 263,439,749.76
  5. Step 5: Solve for x
    x = 263,439,749.76/18,358.62
  6. Step 6: Final answer
    x = 14,349.65

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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.