Home / 22,336.04-30,823.74-12,400.04

Finding the Fourth Proportional to 22,336.04, 30,823.74 and 12,400.04

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Solution

The fourth proportional to 22,336.04, 30,823.74 and 12,400.04 is: 17,112.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,336.04 : 30,823.74 = 12,400.04 : x
  2. Step 2: Convert to fraction form
    22,336.04/30,823.74 = 12,400.04/x
  3. Step 3: Cross multiply
    22,336.04x = 30,823.74 × 12,400.04
  4. Step 4: Simplify right side
    22,336.04x = 382,215,608.95
  5. Step 5: Solve for x
    x = 382,215,608.95/22,336.04
  6. Step 6: Final answer
    x = 17,112.06

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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.