Home / 11,625.59-17,428.13-4,228.76

Finding the Fourth Proportional to 11,625.59, 17,428.13 and 4,228.76

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Solution

The fourth proportional to 11,625.59, 17,428.13 and 4,228.76 is: 6,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.59 : 17,428.13 = 4,228.76 : x
  2. Step 2: Convert to fraction form
    11,625.59/17,428.13 = 4,228.76/x
  3. Step 3: Cross multiply
    11,625.59x = 17,428.13 × 4,228.76
  4. Step 4: Simplify right side
    11,625.59x = 73,699,319.27
  5. Step 5: Solve for x
    x = 73,699,319.27/11,625.59
  6. Step 6: Final answer
    x = 6,339.40

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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.