Home / 14,330.28-21,488.94-8,409.99

Finding the Fourth Proportional to 14,330.28, 21,488.94 and 8,409.99

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Solution

The fourth proportional to 14,330.28, 21,488.94 and 8,409.99 is: 12,611.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,330.28 : 21,488.94 = 8,409.99 : x
  2. Step 2: Convert to fraction form
    14,330.28/21,488.94 = 8,409.99/x
  3. Step 3: Cross multiply
    14,330.28x = 21,488.94 × 8,409.99
  4. Step 4: Simplify right side
    14,330.28x = 180,721,770.51
  5. Step 5: Solve for x
    x = 180,721,770.51/14,330.28
  6. Step 6: Final answer
    x = 12,611.18

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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.