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Finding the Fourth Proportional to 14,532.20, 21,782.10 and 8,295.20

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Solution

The fourth proportional to 14,532.20, 21,782.10 and 8,295.20 is: 12,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,532.20 : 21,782.10 = 8,295.20 : x
  2. Step 2: Convert to fraction form
    14,532.20/21,782.10 = 8,295.20/x
  3. Step 3: Cross multiply
    14,532.20x = 21,782.10 × 8,295.20
  4. Step 4: Simplify right side
    14,532.20x = 180,686,875.92
  5. Step 5: Solve for x
    x = 180,686,875.92/14,532.20
  6. Step 6: Final answer
    x = 12,433.55

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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.