Home / 14,617.77-21,912.57-4,750.35

Finding the Fourth Proportional to 14,617.77, 21,912.57 and 4,750.35

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Solution

The fourth proportional to 14,617.77, 21,912.57 and 4,750.35 is: 7,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.77 : 21,912.57 = 4,750.35 : x
  2. Step 2: Convert to fraction form
    14,617.77/21,912.57 = 4,750.35/x
  3. Step 3: Cross multiply
    14,617.77x = 21,912.57 × 4,750.35
  4. Step 4: Simplify right side
    14,617.77x = 104,092,376.90
  5. Step 5: Solve for x
    x = 104,092,376.90/14,617.77
  6. Step 6: Final answer
    x = 7,120.95

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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.