Home / 20,702.46-31,054.19-7,554.83

Finding the Fourth Proportional to 20,702.46, 31,054.19 and 7,554.83

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Solution

The fourth proportional to 20,702.46, 31,054.19 and 7,554.83 is: 11,332.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702.46 : 31,054.19 = 7,554.83 : x
  2. Step 2: Convert to fraction form
    20,702.46/31,054.19 = 7,554.83/x
  3. Step 3: Cross multiply
    20,702.46x = 31,054.19 × 7,554.83
  4. Step 4: Simplify right side
    20,702.46x = 234,608,989.85
  5. Step 5: Solve for x
    x = 234,608,989.85/20,702.46
  6. Step 6: Final answer
    x = 11,332.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.