Home / 13,116.14-18,099.66-7,450.14

Finding the Fourth Proportional to 13,116.14, 18,099.66 and 7,450.14

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Solution

The fourth proportional to 13,116.14, 18,099.66 and 7,450.14 is: 10,280.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.14 : 18,099.66 = 7,450.14 : x
  2. Step 2: Convert to fraction form
    13,116.14/18,099.66 = 7,450.14/x
  3. Step 3: Cross multiply
    13,116.14x = 18,099.66 × 7,450.14
  4. Step 4: Simplify right side
    13,116.14x = 134,845,000.95
  5. Step 5: Solve for x
    x = 134,845,000.95/13,116.14
  6. Step 6: Final answer
    x = 10,280.84

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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.