Home / 13,658.82-18,839.34-9,633.93

Finding the Fourth Proportional to 13,658.82, 18,839.34 and 9,633.93

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Solution

The fourth proportional to 13,658.82, 18,839.34 and 9,633.93 is: 13,287.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658.82 : 18,839.34 = 9,633.93 : x
  2. Step 2: Convert to fraction form
    13,658.82/18,839.34 = 9,633.93/x
  3. Step 3: Cross multiply
    13,658.82x = 18,839.34 × 9,633.93
  4. Step 4: Simplify right side
    13,658.82x = 181,496,882.81
  5. Step 5: Solve for x
    x = 181,496,882.81/13,658.82
  6. Step 6: Final answer
    x = 13,287.89

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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.