Home / 9,561.11-13,178.84-7,134.35

Finding the Fourth Proportional to 9,561.11, 13,178.84 and 7,134.35

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Solution

The fourth proportional to 9,561.11, 13,178.84 and 7,134.35 is: 9,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,561.11 : 13,178.84 = 7,134.35 : x
  2. Step 2: Convert to fraction form
    9,561.11/13,178.84 = 7,134.35/x
  3. Step 3: Cross multiply
    9,561.11x = 13,178.84 × 7,134.35
  4. Step 4: Simplify right side
    9,561.11x = 94,022,355.59
  5. Step 5: Solve for x
    x = 94,022,355.59/9,561.11
  6. Step 6: Final answer
    x = 9,833.84

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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.