Home / 17,891.08-26,787.18-13,495.21

Finding the Fourth Proportional to 17,891.08, 26,787.18 and 13,495.21

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Solution

The fourth proportional to 17,891.08, 26,787.18 and 13,495.21 is: 20,205.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.08 : 26,787.18 = 13,495.21 : x
  2. Step 2: Convert to fraction form
    17,891.08/26,787.18 = 13,495.21/x
  3. Step 3: Cross multiply
    17,891.08x = 26,787.18 × 13,495.21
  4. Step 4: Simplify right side
    17,891.08x = 361,498,619.41
  5. Step 5: Solve for x
    x = 361,498,619.41/17,891.08
  6. Step 6: Final answer
    x = 20,205.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.