Home / 10,721.21-14,795.28-6,005.53

Finding the Fourth Proportional to 10,721.21, 14,795.28 and 6,005.53

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Solution

The fourth proportional to 10,721.21, 14,795.28 and 6,005.53 is: 8,287.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.21 : 14,795.28 = 6,005.53 : x
  2. Step 2: Convert to fraction form
    10,721.21/14,795.28 = 6,005.53/x
  3. Step 3: Cross multiply
    10,721.21x = 14,795.28 × 6,005.53
  4. Step 4: Simplify right side
    10,721.21x = 88,853,393.89
  5. Step 5: Solve for x
    x = 88,853,393.89/10,721.21
  6. Step 6: Final answer
    x = 8,287.63

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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.