Home / 13,081.66-18,052.27-7,113.17

Finding the Fourth Proportional to 13,081.66, 18,052.27 and 7,113.17

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Solution

The fourth proportional to 13,081.66, 18,052.27 and 7,113.17 is: 9,815.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.66 : 18,052.27 = 7,113.17 : x
  2. Step 2: Convert to fraction form
    13,081.66/18,052.27 = 7,113.17/x
  3. Step 3: Cross multiply
    13,081.66x = 18,052.27 × 7,113.17
  4. Step 4: Simplify right side
    13,081.66x = 128,408,865.40
  5. Step 5: Solve for x
    x = 128,408,865.40/13,081.66
  6. Step 6: Final answer
    x = 9,815.95

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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.