Home / 10,721.03-16,053.85-7,399.53

Finding the Fourth Proportional to 10,721.03, 16,053.85 and 7,399.53

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Solution

The fourth proportional to 10,721.03, 16,053.85 and 7,399.53 is: 11,080.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.03 : 16,053.85 = 7,399.53 : x
  2. Step 2: Convert to fraction form
    10,721.03/16,053.85 = 7,399.53/x
  3. Step 3: Cross multiply
    10,721.03x = 16,053.85 × 7,399.53
  4. Step 4: Simplify right side
    10,721.03x = 118,790,827.42
  5. Step 5: Solve for x
    x = 118,790,827.42/10,721.03
  6. Step 6: Final answer
    x = 11,080.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.