Home / 22,314.80-30,815.25-14,370.86

Finding the Fourth Proportional to 22,314.80, 30,815.25 and 14,370.86

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Solution

The fourth proportional to 22,314.80, 30,815.25 and 14,370.86 is: 19,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,314.80 : 30,815.25 = 14,370.86 : x
  2. Step 2: Convert to fraction form
    22,314.80/30,815.25 = 14,370.86/x
  3. Step 3: Cross multiply
    22,314.80x = 30,815.25 × 14,370.86
  4. Step 4: Simplify right side
    22,314.80x = 442,841,643.62
  5. Step 5: Solve for x
    x = 442,841,643.62/22,314.80
  6. Step 6: Final answer
    x = 19,845.20

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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.