Home / 19,795.55-29,693.43-6,647.92

Finding the Fourth Proportional to 19,795.55, 29,693.43 and 6,647.92

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Solution

The fourth proportional to 19,795.55, 29,693.43 and 6,647.92 is: 9,971.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,795.55 : 29,693.43 = 6,647.92 : x
  2. Step 2: Convert to fraction form
    19,795.55/29,693.43 = 6,647.92/x
  3. Step 3: Cross multiply
    19,795.55x = 29,693.43 × 6,647.92
  4. Step 4: Simplify right side
    19,795.55x = 197,399,472.93
  5. Step 5: Solve for x
    x = 197,399,472.93/19,795.55
  6. Step 6: Final answer
    x = 9,971.91

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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.