Home / 14,522.87-21,806.18-8,289.92

Finding the Fourth Proportional to 14,522.87, 21,806.18 and 8,289.92

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Solution

The fourth proportional to 14,522.87, 21,806.18 and 8,289.92 is: 12,447.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,522.87 : 21,806.18 = 8,289.92 : x
  2. Step 2: Convert to fraction form
    14,522.87/21,806.18 = 8,289.92/x
  3. Step 3: Cross multiply
    14,522.87x = 21,806.18 × 8,289.92
  4. Step 4: Simplify right side
    14,522.87x = 180,771,487.71
  5. Step 5: Solve for x
    x = 180,771,487.71/14,522.87
  6. Step 6: Final answer
    x = 12,447.37

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1.5x scale

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.