Home / 9,101.06-13,654.87-3,178.82

Finding the Fourth Proportional to 9,101.06, 13,654.87 and 3,178.82

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Solution

The fourth proportional to 9,101.06, 13,654.87 and 3,178.82 is: 4,769.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101.06 : 13,654.87 = 3,178.82 : x
  2. Step 2: Convert to fraction form
    9,101.06/13,654.87 = 3,178.82/x
  3. Step 3: Cross multiply
    9,101.06x = 13,654.87 × 3,178.82
  4. Step 4: Simplify right side
    9,101.06x = 43,406,341.12
  5. Step 5: Solve for x
    x = 43,406,341.12/9,101.06
  6. Step 6: Final answer
    x = 4,769.37

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1.5x scale

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.