Home / 14,378.85-21,560.96-6,580.98

Finding the Fourth Proportional to 14,378.85, 21,560.96 and 6,580.98

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Solution

The fourth proportional to 14,378.85, 21,560.96 and 6,580.98 is: 9,868.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.85 : 21,560.96 = 6,580.98 : x
  2. Step 2: Convert to fraction form
    14,378.85/21,560.96 = 6,580.98/x
  3. Step 3: Cross multiply
    14,378.85x = 21,560.96 × 6,580.98
  4. Step 4: Simplify right side
    14,378.85x = 141,892,262.99
  5. Step 5: Solve for x
    x = 141,892,262.99/14,378.85
  6. Step 6: Final answer
    x = 9,868.12

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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.