Home / 14,289.92-21,432.72-5,523.74

Finding the Fourth Proportional to 14,289.92, 21,432.72 and 5,523.74

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Solution

The fourth proportional to 14,289.92, 21,432.72 and 5,523.74 is: 8,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.92 : 21,432.72 = 5,523.74 : x
  2. Step 2: Convert to fraction form
    14,289.92/21,432.72 = 5,523.74/x
  3. Step 3: Cross multiply
    14,289.92x = 21,432.72 × 5,523.74
  4. Step 4: Simplify right side
    14,289.92x = 118,388,772.77
  5. Step 5: Solve for x
    x = 118,388,772.77/14,289.92
  6. Step 6: Final answer
    x = 8,284.78

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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.