Home / 10,195.56-15,307.50-5,268.84

Finding the Fourth Proportional to 10,195.56, 15,307.50 and 5,268.84

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Solution

The fourth proportional to 10,195.56, 15,307.50 and 5,268.84 is: 7,910.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.56 : 15,307.50 = 5,268.84 : x
  2. Step 2: Convert to fraction form
    10,195.56/15,307.50 = 5,268.84/x
  3. Step 3: Cross multiply
    10,195.56x = 15,307.50 × 5,268.84
  4. Step 4: Simplify right side
    10,195.56x = 80,652,768.30
  5. Step 5: Solve for x
    x = 80,652,768.30/10,195.56
  6. Step 6: Final answer
    x = 7,910.58

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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.