Home / 10,286.49-14,195.42-5,570.77

Finding the Fourth Proportional to 10,286.49, 14,195.42 and 5,570.77

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Solution

The fourth proportional to 10,286.49, 14,195.42 and 5,570.77 is: 7,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.49 : 14,195.42 = 5,570.77 : x
  2. Step 2: Convert to fraction form
    10,286.49/14,195.42 = 5,570.77/x
  3. Step 3: Cross multiply
    10,286.49x = 14,195.42 × 5,570.77
  4. Step 4: Simplify right side
    10,286.49x = 79,079,419.87
  5. Step 5: Solve for x
    x = 79,079,419.87/10,286.49
  6. Step 6: Final answer
    x = 7,687.70

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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.