Home / 16,680.66-23,022.40-10,719.78

Finding the Fourth Proportional to 16,680.66, 23,022.40 and 10,719.78

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Solution

The fourth proportional to 16,680.66, 23,022.40 and 10,719.78 is: 14,795.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.66 : 23,022.40 = 10,719.78 : x
  2. Step 2: Convert to fraction form
    16,680.66/23,022.40 = 10,719.78/x
  3. Step 3: Cross multiply
    16,680.66x = 23,022.40 × 10,719.78
  4. Step 4: Simplify right side
    16,680.66x = 246,795,063.07
  5. Step 5: Solve for x
    x = 246,795,063.07/16,680.66
  6. Step 6: Final answer
    x = 14,795.28

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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.