Home / 11,680.55-17,510.41-4,283.28

Finding the Fourth Proportional to 11,680.55, 17,510.41 and 4,283.28

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Solution

The fourth proportional to 11,680.55, 17,510.41 and 4,283.28 is: 6,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.55 : 17,510.41 = 4,283.28 : x
  2. Step 2: Convert to fraction form
    11,680.55/17,510.41 = 4,283.28/x
  3. Step 3: Cross multiply
    11,680.55x = 17,510.41 × 4,283.28
  4. Step 4: Simplify right side
    11,680.55x = 75,001,988.94
  5. Step 5: Solve for x
    x = 75,001,988.94/11,680.55
  6. Step 6: Final answer
    x = 6,421.10

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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.