Home / 9,186.42-12,677.31-5,409.75

Finding the Fourth Proportional to 9,186.42, 12,677.31 and 5,409.75

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Solution

The fourth proportional to 9,186.42, 12,677.31 and 5,409.75 is: 7,465.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.42 : 12,677.31 = 5,409.75 : x
  2. Step 2: Convert to fraction form
    9,186.42/12,677.31 = 5,409.75/x
  3. Step 3: Cross multiply
    9,186.42x = 12,677.31 × 5,409.75
  4. Step 4: Simplify right side
    9,186.42x = 68,581,077.77
  5. Step 5: Solve for x
    x = 68,581,077.77/9,186.42
  6. Step 6: Final answer
    x = 7,465.48

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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.