Home / 9,518.82-13,134.41-5,979.51

Finding the Fourth Proportional to 9,518.82, 13,134.41 and 5,979.51

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Solution

The fourth proportional to 9,518.82, 13,134.41 and 5,979.51 is: 8,250.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.82 : 13,134.41 = 5,979.51 : x
  2. Step 2: Convert to fraction form
    9,518.82/13,134.41 = 5,979.51/x
  3. Step 3: Cross multiply
    9,518.82x = 13,134.41 × 5,979.51
  4. Step 4: Simplify right side
    9,518.82x = 78,537,306.04
  5. Step 5: Solve for x
    x = 78,537,306.04/9,518.82
  6. Step 6: Final answer
    x = 8,250.74

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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.