Home / 22,110.46-30,513.08-12,550.15

Finding the Fourth Proportional to 22,110.46, 30,513.08 and 12,550.15

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Solution

The fourth proportional to 22,110.46, 30,513.08 and 12,550.15 is: 17,319.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.46 : 30,513.08 = 12,550.15 : x
  2. Step 2: Convert to fraction form
    22,110.46/30,513.08 = 12,550.15/x
  3. Step 3: Cross multiply
    22,110.46x = 30,513.08 × 12,550.15
  4. Step 4: Simplify right side
    22,110.46x = 382,943,800.48
  5. Step 5: Solve for x
    x = 382,943,800.48/22,110.46
  6. Step 6: Final answer
    x = 17,319.58

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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.