Home / 19,191.38-28,795.44-6,720.35

Finding the Fourth Proportional to 19,191.38, 28,795.44 and 6,720.35

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Solution

The fourth proportional to 19,191.38, 28,795.44 and 6,720.35 is: 10,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.38 : 28,795.44 = 6,720.35 : x
  2. Step 2: Convert to fraction form
    19,191.38/28,795.44 = 6,720.35/x
  3. Step 3: Cross multiply
    19,191.38x = 28,795.44 × 6,720.35
  4. Step 4: Simplify right side
    19,191.38x = 193,515,595.16
  5. Step 5: Solve for x
    x = 193,515,595.16/19,191.38
  6. Step 6: Final answer
    x = 10,083.46

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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.