Home / 10,286.64-14,195.55-5,570.94

Finding the Fourth Proportional to 10,286.64, 14,195.55 and 5,570.94

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Solution

The fourth proportional to 10,286.64, 14,195.55 and 5,570.94 is: 7,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.64 : 14,195.55 = 5,570.94 : x
  2. Step 2: Convert to fraction form
    10,286.64/14,195.55 = 5,570.94/x
  3. Step 3: Cross multiply
    10,286.64x = 14,195.55 × 5,570.94
  4. Step 4: Simplify right side
    10,286.64x = 79,082,557.32
  5. Step 5: Solve for x
    x = 79,082,557.32/10,286.64
  6. Step 6: Final answer
    x = 7,687.89

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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.