Home / 13,100.46-18,079.52-7,998.14

Finding the Fourth Proportional to 13,100.46, 18,079.52 and 7,998.14

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Solution

The fourth proportional to 13,100.46, 18,079.52 and 7,998.14 is: 11,037.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100.46 : 18,079.52 = 7,998.14 : x
  2. Step 2: Convert to fraction form
    13,100.46/18,079.52 = 7,998.14/x
  3. Step 3: Cross multiply
    13,100.46x = 18,079.52 × 7,998.14
  4. Step 4: Simplify right side
    13,100.46x = 144,602,401.70
  5. Step 5: Solve for x
    x = 144,602,401.70/13,100.46
  6. Step 6: Final answer
    x = 11,037.96

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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.