Home / 13,367.30-18,446.27-7,398.54

Finding the Fourth Proportional to 13,367.30, 18,446.27 and 7,398.54

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Solution

The fourth proportional to 13,367.30, 18,446.27 and 7,398.54 is: 10,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.30 : 18,446.27 = 7,398.54 : x
  2. Step 2: Convert to fraction form
    13,367.30/18,446.27 = 7,398.54/x
  3. Step 3: Cross multiply
    13,367.30x = 18,446.27 × 7,398.54
  4. Step 4: Simplify right side
    13,367.30x = 136,475,429.45
  5. Step 5: Solve for x
    x = 136,475,429.45/13,367.30
  6. Step 6: Final answer
    x = 10,209.65

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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.