Home / 9,515.70-14,278.95-3,672.66

Finding the Fourth Proportional to 9,515.70, 14,278.95 and 3,672.66

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Solution

The fourth proportional to 9,515.70, 14,278.95 and 3,672.66 is: 5,511.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.70 : 14,278.95 = 3,672.66 : x
  2. Step 2: Convert to fraction form
    9,515.70/14,278.95 = 3,672.66/x
  3. Step 3: Cross multiply
    9,515.70x = 14,278.95 × 3,672.66
  4. Step 4: Simplify right side
    9,515.70x = 52,441,728.51
  5. Step 5: Solve for x
    x = 52,441,728.51/9,515.70
  6. Step 6: Final answer
    x = 5,511.07

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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.