Home / 13,708.89-20,562.88-5,809.29

Finding the Fourth Proportional to 13,708.89, 20,562.88 and 5,809.29

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Solution

The fourth proportional to 13,708.89, 20,562.88 and 5,809.29 is: 8,713.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.89 : 20,562.88 = 5,809.29 : x
  2. Step 2: Convert to fraction form
    13,708.89/20,562.88 = 5,809.29/x
  3. Step 3: Cross multiply
    13,708.89x = 20,562.88 × 5,809.29
  4. Step 4: Simplify right side
    13,708.89x = 119,455,733.16
  5. Step 5: Solve for x
    x = 119,455,733.16/13,708.89
  6. Step 6: Final answer
    x = 8,713.74

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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.