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Finding the Fourth Proportional to 11,373.76, 17,060.50 and 4,448.20

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Solution

The fourth proportional to 11,373.76, 17,060.50 and 4,448.20 is: 6,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373.76 : 17,060.50 = 4,448.20 : x
  2. Step 2: Convert to fraction form
    11,373.76/17,060.50 = 4,448.20/x
  3. Step 3: Cross multiply
    11,373.76x = 17,060.50 × 4,448.20
  4. Step 4: Simplify right side
    11,373.76x = 75,888,516.10
  5. Step 5: Solve for x
    x = 75,888,516.10/11,373.76
  6. Step 6: Final answer
    x = 6,672.25

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1.5x scale

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.