Home / 18,592.32-27,998.40-13,434.24

Finding the Fourth Proportional to 18,592.32, 27,998.40 and 13,434.24

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Solution

The fourth proportional to 18,592.32, 27,998.40 and 13,434.24 is: 20,230.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.32 : 27,998.40 = 13,434.24 : x
  2. Step 2: Convert to fraction form
    18,592.32/27,998.40 = 13,434.24/x
  3. Step 3: Cross multiply
    18,592.32x = 27,998.40 × 13,434.24
  4. Step 4: Simplify right side
    18,592.32x = 376,137,225.22
  5. Step 5: Solve for x
    x = 376,137,225.22/18,592.32
  6. Step 6: Final answer
    x = 20,230.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.