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Finding the Fourth Proportional to 14,635.70, 21,954.47 and 5,869.47

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Solution

The fourth proportional to 14,635.70, 21,954.47 and 5,869.47 is: 8,804.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.70 : 21,954.47 = 5,869.47 : x
  2. Step 2: Convert to fraction form
    14,635.70/21,954.47 = 5,869.47/x
  3. Step 3: Cross multiply
    14,635.70x = 21,954.47 × 5,869.47
  4. Step 4: Simplify right side
    14,635.70x = 128,861,156.01
  5. Step 5: Solve for x
    x = 128,861,156.01/14,635.70
  6. Step 6: Final answer
    x = 8,804.58

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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.