Home / 16,451.06-22,702.50-9,377.30

Finding the Fourth Proportional to 16,451.06, 22,702.50 and 9,377.30

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Solution

The fourth proportional to 16,451.06, 22,702.50 and 9,377.30 is: 12,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,451.06 : 22,702.50 = 9,377.30 : x
  2. Step 2: Convert to fraction form
    16,451.06/22,702.50 = 9,377.30/x
  3. Step 3: Cross multiply
    16,451.06x = 22,702.50 × 9,377.30
  4. Step 4: Simplify right side
    16,451.06x = 212,888,153.25
  5. Step 5: Solve for x
    x = 212,888,153.25/16,451.06
  6. Step 6: Final answer
    x = 12,940.70

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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.