Home / 9,150.10-13,727.16-2,912.02

Finding the Fourth Proportional to 9,150.10, 13,727.16 and 2,912.02

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Solution

The fourth proportional to 9,150.10, 13,727.16 and 2,912.02 is: 4,368.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.10 : 13,727.16 = 2,912.02 : x
  2. Step 2: Convert to fraction form
    9,150.10/13,727.16 = 2,912.02/x
  3. Step 3: Cross multiply
    9,150.10x = 13,727.16 × 2,912.02
  4. Step 4: Simplify right side
    9,150.10x = 39,973,764.46
  5. Step 5: Solve for x
    x = 39,973,764.46/9,150.10
  6. Step 6: Final answer
    x = 4,368.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.