Home / 13,593.09-18,729.72-12,658.08

Finding the Fourth Proportional to 13,593.09, 18,729.72 and 12,658.08

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Solution

The fourth proportional to 13,593.09, 18,729.72 and 12,658.08 is: 17,441.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.09 : 18,729.72 = 12,658.08 : x
  2. Step 2: Convert to fraction form
    13,593.09/18,729.72 = 12,658.08/x
  3. Step 3: Cross multiply
    13,593.09x = 18,729.72 × 12,658.08
  4. Step 4: Simplify right side
    13,593.09x = 237,082,294.14
  5. Step 5: Solve for x
    x = 237,082,294.14/13,593.09
  6. Step 6: Final answer
    x = 17,441.38

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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.