Home / 11,137.61-16,699.94-4,212.65

Finding the Fourth Proportional to 11,137.61, 16,699.94 and 4,212.65

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Solution

The fourth proportional to 11,137.61, 16,699.94 and 4,212.65 is: 6,316.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.61 : 16,699.94 = 4,212.65 : x
  2. Step 2: Convert to fraction form
    11,137.61/16,699.94 = 4,212.65/x
  3. Step 3: Cross multiply
    11,137.61x = 16,699.94 × 4,212.65
  4. Step 4: Simplify right side
    11,137.61x = 70,350,981.18
  5. Step 5: Solve for x
    x = 70,350,981.18/11,137.61
  6. Step 6: Final answer
    x = 6,316.52

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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.