Home / 14,561.55-21,809.52-8,705.88

Finding the Fourth Proportional to 14,561.55, 21,809.52 and 8,705.88

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Solution

The fourth proportional to 14,561.55, 21,809.52 and 8,705.88 is: 13,039.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,561.55 : 21,809.52 = 8,705.88 : x
  2. Step 2: Convert to fraction form
    14,561.55/21,809.52 = 8,705.88/x
  3. Step 3: Cross multiply
    14,561.55x = 21,809.52 × 8,705.88
  4. Step 4: Simplify right side
    14,561.55x = 189,871,063.98
  5. Step 5: Solve for x
    x = 189,871,063.98/14,561.55
  6. Step 6: Final answer
    x = 13,039.21

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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.