Home / 14,285.25-21,432.60-5,520.24

Finding the Fourth Proportional to 14,285.25, 21,432.60 and 5,520.24

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Solution

The fourth proportional to 14,285.25, 21,432.60 and 5,520.24 is: 8,282.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.25 : 21,432.60 = 5,520.24 : x
  2. Step 2: Convert to fraction form
    14,285.25/21,432.60 = 5,520.24/x
  3. Step 3: Cross multiply
    14,285.25x = 21,432.60 × 5,520.24
  4. Step 4: Simplify right side
    14,285.25x = 118,313,095.82
  5. Step 5: Solve for x
    x = 118,313,095.82/14,285.25
  6. Step 6: Final answer
    x = 8,282.19

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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.