Home / 10,418.22-14,377.91-6,875.28

Finding the Fourth Proportional to 10,418.22, 14,377.91 and 6,875.28

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Solution

The fourth proportional to 10,418.22, 14,377.91 and 6,875.28 is: 9,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.22 : 14,377.91 = 6,875.28 : x
  2. Step 2: Convert to fraction form
    10,418.22/14,377.91 = 6,875.28/x
  3. Step 3: Cross multiply
    10,418.22x = 14,377.91 × 6,875.28
  4. Step 4: Simplify right side
    10,418.22x = 98,852,122.69
  5. Step 5: Solve for x
    x = 98,852,122.69/10,418.22
  6. Step 6: Final answer
    x = 9,488.39

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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.