Home / 22,269.72-30,732.07-13,317.60

Finding the Fourth Proportional to 22,269.72, 30,732.07 and 13,317.60

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Solution

The fourth proportional to 22,269.72, 30,732.07 and 13,317.60 is: 18,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.72 : 30,732.07 = 13,317.60 : x
  2. Step 2: Convert to fraction form
    22,269.72/30,732.07 = 13,317.60/x
  3. Step 3: Cross multiply
    22,269.72x = 30,732.07 × 13,317.60
  4. Step 4: Simplify right side
    22,269.72x = 409,277,415.43
  5. Step 5: Solve for x
    x = 409,277,415.43/22,269.72
  6. Step 6: Final answer
    x = 18,378.20

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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.