Home / 14,103.91-21,151.60-4,240.57

Finding the Fourth Proportional to 14,103.91, 21,151.60 and 4,240.57

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Solution

The fourth proportional to 14,103.91, 21,151.60 and 4,240.57 is: 6,359.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.91 : 21,151.60 = 4,240.57 : x
  2. Step 2: Convert to fraction form
    14,103.91/21,151.60 = 4,240.57/x
  3. Step 3: Cross multiply
    14,103.91x = 21,151.60 × 4,240.57
  4. Step 4: Simplify right side
    14,103.91x = 89,694,840.41
  5. Step 5: Solve for x
    x = 89,694,840.41/14,103.91
  6. Step 6: Final answer
    x = 6,359.57

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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.