Home / 11,134.69-15,363.33-6,657.68

Finding the Fourth Proportional to 11,134.69, 15,363.33 and 6,657.68

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Solution

The fourth proportional to 11,134.69, 15,363.33 and 6,657.68 is: 9,186.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,134.69 : 15,363.33 = 6,657.68 : x
  2. Step 2: Convert to fraction form
    11,134.69/15,363.33 = 6,657.68/x
  3. Step 3: Cross multiply
    11,134.69x = 15,363.33 × 6,657.68
  4. Step 4: Simplify right side
    11,134.69x = 102,284,134.87
  5. Step 5: Solve for x
    x = 102,284,134.87/11,134.69
  6. Step 6: Final answer
    x = 9,186.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.