Home / 19,801.87-29,702.80-6,654.24

Finding the Fourth Proportional to 19,801.87, 29,702.80 and 6,654.24

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Solution

The fourth proportional to 19,801.87, 29,702.80 and 6,654.24 is: 9,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.87 : 29,702.80 = 6,654.24 : x
  2. Step 2: Convert to fraction form
    19,801.87/29,702.80 = 6,654.24/x
  3. Step 3: Cross multiply
    19,801.87x = 29,702.80 × 6,654.24
  4. Step 4: Simplify right side
    19,801.87x = 197,649,559.87
  5. Step 5: Solve for x
    x = 197,649,559.87/19,801.87
  6. Step 6: Final answer
    x = 9,981.36

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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.