Home / 22,702.87-31,331.37-12,633.56

Finding the Fourth Proportional to 22,702.87, 31,331.37 and 12,633.56

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Solution

The fourth proportional to 22,702.87, 31,331.37 and 12,633.56 is: 17,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,702.87 : 31,331.37 = 12,633.56 : x
  2. Step 2: Convert to fraction form
    22,702.87/31,331.37 = 12,633.56/x
  3. Step 3: Cross multiply
    22,702.87x = 31,331.37 × 12,633.56
  4. Step 4: Simplify right side
    22,702.87x = 395,826,742.78
  5. Step 5: Solve for x
    x = 395,826,742.78/22,702.87
  6. Step 6: Final answer
    x = 17,435.10

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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.