Home / 10,442.66-15,662.32-3,045.39

Finding the Fourth Proportional to 10,442.66, 15,662.32 and 3,045.39

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Solution

The fourth proportional to 10,442.66, 15,662.32 and 3,045.39 is: 4,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.66 : 15,662.32 = 3,045.39 : x
  2. Step 2: Convert to fraction form
    10,442.66/15,662.32 = 3,045.39/x
  3. Step 3: Cross multiply
    10,442.66x = 15,662.32 × 3,045.39
  4. Step 4: Simplify right side
    10,442.66x = 47,697,872.70
  5. Step 5: Solve for x
    x = 47,697,872.70/10,442.66
  6. Step 6: Final answer
    x = 4,567.60

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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.