Home / 10,424.85-14,388.52-6,647.14

Finding the Fourth Proportional to 10,424.85, 14,388.52 and 6,647.14

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Solution

The fourth proportional to 10,424.85, 14,388.52 and 6,647.14 is: 9,174.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.85 : 14,388.52 = 6,647.14 : x
  2. Step 2: Convert to fraction form
    10,424.85/14,388.52 = 6,647.14/x
  3. Step 3: Cross multiply
    10,424.85x = 14,388.52 × 6,647.14
  4. Step 4: Simplify right side
    10,424.85x = 95,642,506.83
  5. Step 5: Solve for x
    x = 95,642,506.83/10,424.85
  6. Step 6: Final answer
    x = 9,174.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.