Home / 10,665.08-15,995.40-2,872.04

Finding the Fourth Proportional to 10,665.08, 15,995.40 and 2,872.04

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Solution

The fourth proportional to 10,665.08, 15,995.40 and 2,872.04 is: 4,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.08 : 15,995.40 = 2,872.04 : x
  2. Step 2: Convert to fraction form
    10,665.08/15,995.40 = 2,872.04/x
  3. Step 3: Cross multiply
    10,665.08x = 15,995.40 × 2,872.04
  4. Step 4: Simplify right side
    10,665.08x = 45,939,428.62
  5. Step 5: Solve for x
    x = 45,939,428.62/10,665.08
  6. Step 6: Final answer
    x = 4,307.46

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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.