Home / 11,716.95-17,575.70-4,220.13

Finding the Fourth Proportional to 11,716.95, 17,575.70 and 4,220.13

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Solution

The fourth proportional to 11,716.95, 17,575.70 and 4,220.13 is: 6,330.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.95 : 17,575.70 = 4,220.13 : x
  2. Step 2: Convert to fraction form
    11,716.95/17,575.70 = 4,220.13/x
  3. Step 3: Cross multiply
    11,716.95x = 17,575.70 × 4,220.13
  4. Step 4: Simplify right side
    11,716.95x = 74,171,717.74
  5. Step 5: Solve for x
    x = 74,171,717.74/11,716.95
  6. Step 6: Final answer
    x = 6,330.29

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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.