Home / 22,310.47-30,788.98-13,813.98

Finding the Fourth Proportional to 22,310.47, 30,788.98 and 13,813.98

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Solution

The fourth proportional to 22,310.47, 30,788.98 and 13,813.98 is: 19,063.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,310.47 : 30,788.98 = 13,813.98 : x
  2. Step 2: Convert to fraction form
    22,310.47/30,788.98 = 13,813.98/x
  3. Step 3: Cross multiply
    22,310.47x = 30,788.98 × 13,813.98
  4. Step 4: Simplify right side
    22,310.47x = 425,318,203.95
  5. Step 5: Solve for x
    x = 425,318,203.95/22,310.47
  6. Step 6: Final answer
    x = 19,063.61

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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.