Home / 10,012.75-13,817.60-5,596.75

Finding the Fourth Proportional to 10,012.75, 13,817.60 and 5,596.75

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Solution

The fourth proportional to 10,012.75, 13,817.60 and 5,596.75 is: 7,723.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.75 : 13,817.60 = 5,596.75 : x
  2. Step 2: Convert to fraction form
    10,012.75/13,817.60 = 5,596.75/x
  3. Step 3: Cross multiply
    10,012.75x = 13,817.60 × 5,596.75
  4. Step 4: Simplify right side
    10,012.75x = 77,333,652.80
  5. Step 5: Solve for x
    x = 77,333,652.80/10,012.75
  6. Step 6: Final answer
    x = 7,723.52

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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.