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Finding the Fourth Proportional to 10,600.81, 14,629.62 and 5,885.13

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Solution

The fourth proportional to 10,600.81, 14,629.62 and 5,885.13 is: 8,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,600.81 : 14,629.62 = 5,885.13 : x
  2. Step 2: Convert to fraction form
    10,600.81/14,629.62 = 5,885.13/x
  3. Step 3: Cross multiply
    10,600.81x = 14,629.62 × 5,885.13
  4. Step 4: Simplify right side
    10,600.81x = 86,097,215.55
  5. Step 5: Solve for x
    x = 86,097,215.55/10,600.81
  6. Step 6: Final answer
    x = 8,121.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.