Home / 22,214.95-30,657.45-12,144.07

Finding the Fourth Proportional to 22,214.95, 30,657.45 and 12,144.07

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Solution

The fourth proportional to 22,214.95, 30,657.45 and 12,144.07 is: 16,759.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,214.95 : 30,657.45 = 12,144.07 : x
  2. Step 2: Convert to fraction form
    22,214.95/30,657.45 = 12,144.07/x
  3. Step 3: Cross multiply
    22,214.95x = 30,657.45 × 12,144.07
  4. Step 4: Simplify right side
    22,214.95x = 372,306,218.82
  5. Step 5: Solve for x
    x = 372,306,218.82/22,214.95
  6. Step 6: Final answer
    x = 16,759.26

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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.