Home / 16,449.28-22,673.34-12,857.89

Finding the Fourth Proportional to 16,449.28, 22,673.34 and 12,857.89

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Solution

The fourth proportional to 16,449.28, 22,673.34 and 12,857.89 is: 17,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,449.28 : 22,673.34 = 12,857.89 : x
  2. Step 2: Convert to fraction form
    16,449.28/22,673.34 = 12,857.89/x
  3. Step 3: Cross multiply
    16,449.28x = 22,673.34 × 12,857.89
  4. Step 4: Simplify right side
    16,449.28x = 291,531,333.64
  5. Step 5: Solve for x
    x = 291,531,333.64/16,449.28
  6. Step 6: Final answer
    x = 17,723.05

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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.