Home / 13,561.26-20,341.89-6,539.97

Finding the Fourth Proportional to 13,561.26, 20,341.89 and 6,539.97

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Solution

The fourth proportional to 13,561.26, 20,341.89 and 6,539.97 is: 9,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561.26 : 20,341.89 = 6,539.97 : x
  2. Step 2: Convert to fraction form
    13,561.26/20,341.89 = 6,539.97/x
  3. Step 3: Cross multiply
    13,561.26x = 20,341.89 × 6,539.97
  4. Step 4: Simplify right side
    13,561.26x = 133,035,273.38
  5. Step 5: Solve for x
    x = 133,035,273.38/13,561.26
  6. Step 6: Final answer
    x = 9,809.95

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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.