Home / 16,788.66-23,162.94-10,809.78

Finding the Fourth Proportional to 16,788.66, 23,162.94 and 10,809.78

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Solution

The fourth proportional to 16,788.66, 23,162.94 and 10,809.78 is: 14,914.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,788.66 : 23,162.94 = 10,809.78 : x
  2. Step 2: Convert to fraction form
    16,788.66/23,162.94 = 10,809.78/x
  3. Step 3: Cross multiply
    16,788.66x = 23,162.94 × 10,809.78
  4. Step 4: Simplify right side
    16,788.66x = 250,386,285.55
  5. Step 5: Solve for x
    x = 250,386,285.55/16,788.66
  6. Step 6: Final answer
    x = 14,914.01

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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.