Home / 22,293.90-30,772.17-12,868.74

Finding the Fourth Proportional to 22,293.90, 30,772.17 and 12,868.74

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Solution

The fourth proportional to 22,293.90, 30,772.17 and 12,868.74 is: 17,762.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,293.90 : 30,772.17 = 12,868.74 : x
  2. Step 2: Convert to fraction form
    22,293.90/30,772.17 = 12,868.74/x
  3. Step 3: Cross multiply
    22,293.90x = 30,772.17 × 12,868.74
  4. Step 4: Simplify right side
    22,293.90x = 395,999,054.97
  5. Step 5: Solve for x
    x = 395,999,054.97/22,293.90
  6. Step 6: Final answer
    x = 17,762.66

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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.