Home / 13,705.94-20,561.06-5,808.47

Finding the Fourth Proportional to 13,705.94, 20,561.06 and 5,808.47

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Solution

The fourth proportional to 13,705.94, 20,561.06 and 5,808.47 is: 8,713.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,705.94 : 20,561.06 = 5,808.47 : x
  2. Step 2: Convert to fraction form
    13,705.94/20,561.06 = 5,808.47/x
  3. Step 3: Cross multiply
    13,705.94x = 20,561.06 × 5,808.47
  4. Step 4: Simplify right side
    13,705.94x = 119,428,271.14
  5. Step 5: Solve for x
    x = 119,428,271.14/13,705.94
  6. Step 6: Final answer
    x = 8,713.61

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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.