Home / 7,192.14-10,776.42-6,918.72

Finding the Fourth Proportional to 7,192.14, 10,776.42 and 6,918.72

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Solution

The fourth proportional to 7,192.14, 10,776.42 and 6,918.72 is: 10,366.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.14 : 10,776.42 = 6,918.72 : x
  2. Step 2: Convert to fraction form
    7,192.14/10,776.42 = 6,918.72/x
  3. Step 3: Cross multiply
    7,192.14x = 10,776.42 × 6,918.72
  4. Step 4: Simplify right side
    7,192.14x = 74,559,032.58
  5. Step 5: Solve for x
    x = 74,559,032.58/7,192.14
  6. Step 6: Final answer
    x = 10,366.74

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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.