Home / 16,814.62-23,210.31-13,665.34

Finding the Fourth Proportional to 16,814.62, 23,210.31 and 13,665.34

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Solution

The fourth proportional to 16,814.62, 23,210.31 and 13,665.34 is: 18,863.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,814.62 : 23,210.31 = 13,665.34 : x
  2. Step 2: Convert to fraction form
    16,814.62/23,210.31 = 13,665.34/x
  3. Step 3: Cross multiply
    16,814.62x = 23,210.31 × 13,665.34
  4. Step 4: Simplify right side
    16,814.62x = 317,176,777.66
  5. Step 5: Solve for x
    x = 317,176,777.66/16,814.62
  6. Step 6: Final answer
    x = 18,863.15

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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.