Home / 19,899.64-27,463.62-12,350.80

Finding the Fourth Proportional to 19,899.64, 27,463.62 and 12,350.80

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Solution

The fourth proportional to 19,899.64, 27,463.62 and 12,350.80 is: 17,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.64 : 27,463.62 = 12,350.80 : x
  2. Step 2: Convert to fraction form
    19,899.64/27,463.62 = 12,350.80/x
  3. Step 3: Cross multiply
    19,899.64x = 27,463.62 × 12,350.80
  4. Step 4: Simplify right side
    19,899.64x = 339,197,677.90
  5. Step 5: Solve for x
    x = 339,197,677.90/19,899.64
  6. Step 6: Final answer
    x = 17,045.42

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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.