Home / 14,175.20-21,263.56-4,314.80

Finding the Fourth Proportional to 14,175.20, 21,263.56 and 4,314.80

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Solution

The fourth proportional to 14,175.20, 21,263.56 and 4,314.80 is: 6,472.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.20 : 21,263.56 = 4,314.80 : x
  2. Step 2: Convert to fraction form
    14,175.20/21,263.56 = 4,314.80/x
  3. Step 3: Cross multiply
    14,175.20x = 21,263.56 × 4,314.80
  4. Step 4: Simplify right side
    14,175.20x = 91,748,008.69
  5. Step 5: Solve for x
    x = 91,748,008.69/14,175.20
  6. Step 6: Final answer
    x = 6,472.43

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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.