Home / 13,265.11-18,305.16-7,295.61

Finding the Fourth Proportional to 13,265.11, 18,305.16 and 7,295.61

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Solution

The fourth proportional to 13,265.11, 18,305.16 and 7,295.61 is: 10,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.11 : 18,305.16 = 7,295.61 : x
  2. Step 2: Convert to fraction form
    13,265.11/18,305.16 = 7,295.61/x
  3. Step 3: Cross multiply
    13,265.11x = 18,305.16 × 7,295.61
  4. Step 4: Simplify right side
    13,265.11x = 133,547,308.35
  5. Step 5: Solve for x
    x = 133,547,308.35/13,265.11
  6. Step 6: Final answer
    x = 10,067.56

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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.