Home / 10,530.16-14,524.76-6,991.92

Finding the Fourth Proportional to 10,530.16, 14,524.76 and 6,991.92

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Solution

The fourth proportional to 10,530.16, 14,524.76 and 6,991.92 is: 9,644.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.16 : 14,524.76 = 6,991.92 : x
  2. Step 2: Convert to fraction form
    10,530.16/14,524.76 = 6,991.92/x
  3. Step 3: Cross multiply
    10,530.16x = 14,524.76 × 6,991.92
  4. Step 4: Simplify right side
    10,530.16x = 101,555,959.94
  5. Step 5: Solve for x
    x = 101,555,959.94/10,530.16
  6. Step 6: Final answer
    x = 9,644.29

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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.