Home / 9,116.97-12,581.32-5,083.74

Finding the Fourth Proportional to 9,116.97, 12,581.32 and 5,083.74

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Solution

The fourth proportional to 9,116.97, 12,581.32 and 5,083.74 is: 7,015.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116.97 : 12,581.32 = 5,083.74 : x
  2. Step 2: Convert to fraction form
    9,116.97/12,581.32 = 5,083.74/x
  3. Step 3: Cross multiply
    9,116.97x = 12,581.32 × 5,083.74
  4. Step 4: Simplify right side
    9,116.97x = 63,960,159.74
  5. Step 5: Solve for x
    x = 63,960,159.74/9,116.97
  6. Step 6: Final answer
    x = 7,015.51

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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.