Home / 10,072.87-13,900.54-5,597.04

Finding the Fourth Proportional to 10,072.87, 13,900.54 and 5,597.04

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Solution

The fourth proportional to 10,072.87, 13,900.54 and 5,597.04 is: 7,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.87 : 13,900.54 = 5,597.04 : x
  2. Step 2: Convert to fraction form
    10,072.87/13,900.54 = 5,597.04/x
  3. Step 3: Cross multiply
    10,072.87x = 13,900.54 × 5,597.04
  4. Step 4: Simplify right side
    10,072.87x = 77,801,878.40
  5. Step 5: Solve for x
    x = 77,801,878.40/10,072.87
  6. Step 6: Final answer
    x = 7,723.90

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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.