Home / 11,717.65-17,578.02-4,327.30

Finding the Fourth Proportional to 11,717.65, 17,578.02 and 4,327.30

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Solution

The fourth proportional to 11,717.65, 17,578.02 and 4,327.30 is: 6,491.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.65 : 17,578.02 = 4,327.30 : x
  2. Step 2: Convert to fraction form
    11,717.65/17,578.02 = 4,327.30/x
  3. Step 3: Cross multiply
    11,717.65x = 17,578.02 × 4,327.30
  4. Step 4: Simplify right side
    11,717.65x = 76,065,365.95
  5. Step 5: Solve for x
    x = 76,065,365.95/11,717.65
  6. Step 6: Final answer
    x = 6,491.52

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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.