Home / 10,898.43-15,035.82-6,648.06

Finding the Fourth Proportional to 10,898.43, 15,035.82 and 6,648.06

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Solution

The fourth proportional to 10,898.43, 15,035.82 and 6,648.06 is: 9,171.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.43 : 15,035.82 = 6,648.06 : x
  2. Step 2: Convert to fraction form
    10,898.43/15,035.82 = 6,648.06/x
  3. Step 3: Cross multiply
    10,898.43x = 15,035.82 × 6,648.06
  4. Step 4: Simplify right side
    10,898.43x = 99,959,033.51
  5. Step 5: Solve for x
    x = 99,959,033.51/10,898.43
  6. Step 6: Final answer
    x = 9,171.87

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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.