Home / 14,003.47-21,012.50-6,217.75

Finding the Fourth Proportional to 14,003.47, 21,012.50 and 6,217.75

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Solution

The fourth proportional to 14,003.47, 21,012.50 and 6,217.75 is: 9,329.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.47 : 21,012.50 = 6,217.75 : x
  2. Step 2: Convert to fraction form
    14,003.47/21,012.50 = 6,217.75/x
  3. Step 3: Cross multiply
    14,003.47x = 21,012.50 × 6,217.75
  4. Step 4: Simplify right side
    14,003.47x = 130,650,471.88
  5. Step 5: Solve for x
    x = 130,650,471.88/14,003.47
  6. Step 6: Final answer
    x = 9,329.86

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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.