Home / 10,764.04-16,131.02-5,215.91

Finding the Fourth Proportional to 10,764.04, 16,131.02 and 5,215.91

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Solution

The fourth proportional to 10,764.04, 16,131.02 and 5,215.91 is: 7,816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,764.04 : 16,131.02 = 5,215.91 : x
  2. Step 2: Convert to fraction form
    10,764.04/16,131.02 = 5,215.91/x
  3. Step 3: Cross multiply
    10,764.04x = 16,131.02 × 5,215.91
  4. Step 4: Simplify right side
    10,764.04x = 84,137,868.48
  5. Step 5: Solve for x
    x = 84,137,868.48/10,764.04
  6. Step 6: Final answer
    x = 7,816.57

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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.