Home / 9,639.36-14,452.16-3,398.08

Finding the Fourth Proportional to 9,639.36, 14,452.16 and 3,398.08

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Solution

The fourth proportional to 9,639.36, 14,452.16 and 3,398.08 is: 5,094.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.36 : 14,452.16 = 3,398.08 : x
  2. Step 2: Convert to fraction form
    9,639.36/14,452.16 = 3,398.08/x
  3. Step 3: Cross multiply
    9,639.36x = 14,452.16 × 3,398.08
  4. Step 4: Simplify right side
    9,639.36x = 49,109,595.85
  5. Step 5: Solve for x
    x = 49,109,595.85/9,639.36
  6. Step 6: Final answer
    x = 5,094.69

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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.