Home / 10,721.13-14,795.15-6,005.41

Finding the Fourth Proportional to 10,721.13, 14,795.15 and 6,005.41

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Solution

The fourth proportional to 10,721.13, 14,795.15 and 6,005.41 is: 8,287.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.13 : 14,795.15 = 6,005.41 : x
  2. Step 2: Convert to fraction form
    10,721.13/14,795.15 = 6,005.41/x
  3. Step 3: Cross multiply
    10,721.13x = 14,795.15 × 6,005.41
  4. Step 4: Simplify right side
    10,721.13x = 88,850,941.76
  5. Step 5: Solve for x
    x = 88,850,941.76/10,721.13
  6. Step 6: Final answer
    x = 8,287.46

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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.