Home / 22,110.64-30,511.14-12,550.72

Finding the Fourth Proportional to 22,110.64, 30,511.14 and 12,550.72

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Solution

The fourth proportional to 22,110.64, 30,511.14 and 12,550.72 is: 17,319.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.64 : 30,511.14 = 12,550.72 : x
  2. Step 2: Convert to fraction form
    22,110.64/30,511.14 = 12,550.72/x
  3. Step 3: Cross multiply
    22,110.64x = 30,511.14 × 12,550.72
  4. Step 4: Simplify right side
    22,110.64x = 382,936,775.02
  5. Step 5: Solve for x
    x = 382,936,775.02/22,110.64
  6. Step 6: Final answer
    x = 17,319.12

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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.