Home / 11,621.55-17,430.49-5,045.97

Finding the Fourth Proportional to 11,621.55, 17,430.49 and 5,045.97

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Solution

The fourth proportional to 11,621.55, 17,430.49 and 5,045.97 is: 7,568.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.55 : 17,430.49 = 5,045.97 : x
  2. Step 2: Convert to fraction form
    11,621.55/17,430.49 = 5,045.97/x
  3. Step 3: Cross multiply
    11,621.55x = 17,430.49 × 5,045.97
  4. Step 4: Simplify right side
    11,621.55x = 87,953,729.63
  5. Step 5: Solve for x
    x = 87,953,729.63/11,621.55
  6. Step 6: Final answer
    x = 7,568.16

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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.