Home / 19,191.54-28,779.12-6,707.88

Finding the Fourth Proportional to 19,191.54, 28,779.12 and 6,707.88

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Solution

The fourth proportional to 19,191.54, 28,779.12 and 6,707.88 is: 10,058.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.54 : 28,779.12 = 6,707.88 : x
  2. Step 2: Convert to fraction form
    19,191.54/28,779.12 = 6,707.88/x
  3. Step 3: Cross multiply
    19,191.54x = 28,779.12 × 6,707.88
  4. Step 4: Simplify right side
    19,191.54x = 193,046,883.47
  5. Step 5: Solve for x
    x = 193,046,883.47/19,191.54
  6. Step 6: Final answer
    x = 10,058.96

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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.