Home / 22,259.88-30,718.62-12,188.95

Finding the Fourth Proportional to 22,259.88, 30,718.62 and 12,188.95

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Solution

The fourth proportional to 22,259.88, 30,718.62 and 12,188.95 is: 16,820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,259.88 : 30,718.62 = 12,188.95 : x
  2. Step 2: Convert to fraction form
    22,259.88/30,718.62 = 12,188.95/x
  3. Step 3: Cross multiply
    22,259.88x = 30,718.62 × 12,188.95
  4. Step 4: Simplify right side
    22,259.88x = 374,427,646.45
  5. Step 5: Solve for x
    x = 374,427,646.45/22,259.88
  6. Step 6: Final answer
    x = 16,820.74

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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.