Home / 14,640.18-21,957.21-5,153.76

Finding the Fourth Proportional to 14,640.18, 21,957.21 and 5,153.76

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Solution

The fourth proportional to 14,640.18, 21,957.21 and 5,153.76 is: 7,729.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.18 : 21,957.21 = 5,153.76 : x
  2. Step 2: Convert to fraction form
    14,640.18/21,957.21 = 5,153.76/x
  3. Step 3: Cross multiply
    14,640.18x = 21,957.21 × 5,153.76
  4. Step 4: Simplify right side
    14,640.18x = 113,162,190.61
  5. Step 5: Solve for x
    x = 113,162,190.61/14,640.18
  6. Step 6: Final answer
    x = 7,729.56

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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.