Home / 19,526.68-29,290.92-6,379.12

Finding the Fourth Proportional to 19,526.68, 29,290.92 and 6,379.12

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Solution

The fourth proportional to 19,526.68, 29,290.92 and 6,379.12 is: 9,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526.68 : 29,290.92 = 6,379.12 : x
  2. Step 2: Convert to fraction form
    19,526.68/29,290.92 = 6,379.12/x
  3. Step 3: Cross multiply
    19,526.68x = 29,290.92 × 6,379.12
  4. Step 4: Simplify right side
    19,526.68x = 186,850,293.59
  5. Step 5: Solve for x
    x = 186,850,293.59/19,526.68
  6. Step 6: Final answer
    x = 9,568.97

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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.