Home / 13,266.11-18,306.84-7,297.77

Finding the Fourth Proportional to 13,266.11, 18,306.84 and 7,297.77

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Solution

The fourth proportional to 13,266.11, 18,306.84 and 7,297.77 is: 10,070.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.11 : 18,306.84 = 7,297.77 : x
  2. Step 2: Convert to fraction form
    13,266.11/18,306.84 = 7,297.77/x
  3. Step 3: Cross multiply
    13,266.11x = 18,306.84 × 7,297.77
  4. Step 4: Simplify right side
    13,266.11x = 133,599,107.75
  5. Step 5: Solve for x
    x = 133,599,107.75/13,266.11
  6. Step 6: Final answer
    x = 10,070.71

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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.