Home / 14,640.71-21,963.17-4,777.55

Finding the Fourth Proportional to 14,640.71, 21,963.17 and 4,777.55

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Solution

The fourth proportional to 14,640.71, 21,963.17 and 4,777.55 is: 7,167.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.71 : 21,963.17 = 4,777.55 : x
  2. Step 2: Convert to fraction form
    14,640.71/21,963.17 = 4,777.55/x
  3. Step 3: Cross multiply
    14,640.71x = 21,963.17 × 4,777.55
  4. Step 4: Simplify right side
    14,640.71x = 104,930,118.95
  5. Step 5: Solve for x
    x = 104,930,118.95/14,640.71
  6. Step 6: Final answer
    x = 7,167.01

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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.