Home / 16,317.35-22,519.33-9,147.15

Finding the Fourth Proportional to 16,317.35, 22,519.33 and 9,147.15

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Solution

The fourth proportional to 16,317.35, 22,519.33 and 9,147.15 is: 12,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,317.35 : 22,519.33 = 9,147.15 : x
  2. Step 2: Convert to fraction form
    16,317.35/22,519.33 = 9,147.15/x
  3. Step 3: Cross multiply
    16,317.35x = 22,519.33 × 9,147.15
  4. Step 4: Simplify right side
    16,317.35x = 205,987,689.41
  5. Step 5: Solve for x
    x = 205,987,689.41/16,317.35
  6. Step 6: Final answer
    x = 12,623.84

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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.