Home / 10,442.39-15,647.87-6,277.84

Finding the Fourth Proportional to 10,442.39, 15,647.87 and 6,277.84

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Solution

The fourth proportional to 10,442.39, 15,647.87 and 6,277.84 is: 9,407.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.39 : 15,647.87 = 6,277.84 : x
  2. Step 2: Convert to fraction form
    10,442.39/15,647.87 = 6,277.84/x
  3. Step 3: Cross multiply
    10,442.39x = 15,647.87 × 6,277.84
  4. Step 4: Simplify right side
    10,442.39x = 98,234,800.78
  5. Step 5: Solve for x
    x = 98,234,800.78/10,442.39
  6. Step 6: Final answer
    x = 9,407.31

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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.