Home / 16,788.86-23,168.13-9,235.18

Finding the Fourth Proportional to 16,788.86, 23,168.13 and 9,235.18

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Solution

The fourth proportional to 16,788.86, 23,168.13 and 9,235.18 is: 12,744.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,788.86 : 23,168.13 = 9,235.18 : x
  2. Step 2: Convert to fraction form
    16,788.86/23,168.13 = 9,235.18/x
  3. Step 3: Cross multiply
    16,788.86x = 23,168.13 × 9,235.18
  4. Step 4: Simplify right side
    16,788.86x = 213,961,850.81
  5. Step 5: Solve for x
    x = 213,961,850.81/16,788.86
  6. Step 6: Final answer
    x = 12,744.28

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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.