Home / 11,412.28-15,751.02-6,632.88

Finding the Fourth Proportional to 11,412.28, 15,751.02 and 6,632.88

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Solution

The fourth proportional to 11,412.28, 15,751.02 and 6,632.88 is: 9,154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.28 : 15,751.02 = 6,632.88 : x
  2. Step 2: Convert to fraction form
    11,412.28/15,751.02 = 6,632.88/x
  3. Step 3: Cross multiply
    11,412.28x = 15,751.02 × 6,632.88
  4. Step 4: Simplify right side
    11,412.28x = 104,474,625.54
  5. Step 5: Solve for x
    x = 104,474,625.54/11,412.28
  6. Step 6: Final answer
    x = 9,154.58

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1.5x scale

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.