Home / 20,022.24-27,641.94-13,317

Finding the Fourth Proportional to 20,022.24, 27,641.94 and 13,317

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Solution

The fourth proportional to 20,022.24, 27,641.94 and 13,317 is: 18,384.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.24 : 27,641.94 = 13,317 : x
  2. Step 2: Convert to fraction form
    20,022.24/27,641.94 = 13,317/x
  3. Step 3: Cross multiply
    20,022.24x = 27,641.94 × 13,317
  4. Step 4: Simplify right side
    20,022.24x = 368,107,714.98
  5. Step 5: Solve for x
    x = 368,107,714.98/20,022.24
  6. Step 6: Final answer
    x = 18,384.94

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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.