Home / 22,228.82-30,675.34-12,157.23

Finding the Fourth Proportional to 22,228.82, 30,675.34 and 12,157.23

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Solution

The fourth proportional to 22,228.82, 30,675.34 and 12,157.23 is: 16,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,228.82 : 30,675.34 = 12,157.23 : x
  2. Step 2: Convert to fraction form
    22,228.82/30,675.34 = 12,157.23/x
  3. Step 3: Cross multiply
    22,228.82x = 30,675.34 × 12,157.23
  4. Step 4: Simplify right side
    22,228.82x = 372,927,194.10
  5. Step 5: Solve for x
    x = 372,927,194.10/22,228.82
  6. Step 6: Final answer
    x = 16,776.74

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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.