Home / 16,872.87-23,284.60-9,319.06

Finding the Fourth Proportional to 16,872.87, 23,284.60 and 9,319.06

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Solution

The fourth proportional to 16,872.87, 23,284.60 and 9,319.06 is: 12,860.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.87 : 23,284.60 = 9,319.06 : x
  2. Step 2: Convert to fraction form
    16,872.87/23,284.60 = 9,319.06/x
  3. Step 3: Cross multiply
    16,872.87x = 23,284.60 × 9,319.06
  4. Step 4: Simplify right side
    16,872.87x = 216,990,590.28
  5. Step 5: Solve for x
    x = 216,990,590.28/16,872.87
  6. Step 6: Final answer
    x = 12,860.32

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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.