Home / 10,820.07-14,929.11-6,104.36

Finding the Fourth Proportional to 10,820.07, 14,929.11 and 6,104.36

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Solution

The fourth proportional to 10,820.07, 14,929.11 and 6,104.36 is: 8,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.07 : 14,929.11 = 6,104.36 : x
  2. Step 2: Convert to fraction form
    10,820.07/14,929.11 = 6,104.36/x
  3. Step 3: Cross multiply
    10,820.07x = 14,929.11 × 6,104.36
  4. Step 4: Simplify right side
    10,820.07x = 91,132,699.24
  5. Step 5: Solve for x
    x = 91,132,699.24/10,820.07
  6. Step 6: Final answer
    x = 8,422.56

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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.