Home / 13,599.24-18,768.30-9,132.29

Finding the Fourth Proportional to 13,599.24, 18,768.30 and 9,132.29

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Solution

The fourth proportional to 13,599.24, 18,768.30 and 9,132.29 is: 12,603.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.24 : 18,768.30 = 9,132.29 : x
  2. Step 2: Convert to fraction form
    13,599.24/18,768.30 = 9,132.29/x
  3. Step 3: Cross multiply
    13,599.24x = 18,768.30 × 9,132.29
  4. Step 4: Simplify right side
    13,599.24x = 171,397,605.33
  5. Step 5: Solve for x
    x = 171,397,605.33/13,599.24
  6. Step 6: Final answer
    x = 12,603.47

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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.