Home / 10,953.06-16,432.02-3,161.25

Finding the Fourth Proportional to 10,953.06, 16,432.02 and 3,161.25

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Solution

The fourth proportional to 10,953.06, 16,432.02 and 3,161.25 is: 4,742.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.06 : 16,432.02 = 3,161.25 : x
  2. Step 2: Convert to fraction form
    10,953.06/16,432.02 = 3,161.25/x
  3. Step 3: Cross multiply
    10,953.06x = 16,432.02 × 3,161.25
  4. Step 4: Simplify right side
    10,953.06x = 51,945,723.23
  5. Step 5: Solve for x
    x = 51,945,723.23/10,953.06
  6. Step 6: Final answer
    x = 4,742.58

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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.