Home / 22,228.39-30,675.95-12,157.48

Finding the Fourth Proportional to 22,228.39, 30,675.95 and 12,157.48

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Solution

The fourth proportional to 22,228.39, 30,675.95 and 12,157.48 is: 16,777.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,228.39 : 30,675.95 = 12,157.48 : x
  2. Step 2: Convert to fraction form
    22,228.39/30,675.95 = 12,157.48/x
  3. Step 3: Cross multiply
    22,228.39x = 30,675.95 × 12,157.48
  4. Step 4: Simplify right side
    22,228.39x = 372,942,248.61
  5. Step 5: Solve for x
    x = 372,942,248.61/22,228.39
  6. Step 6: Final answer
    x = 16,777.74

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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.