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Finding the Fourth Proportional to 10,600.61, 14,619.29 and 6,622.11

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Solution

The fourth proportional to 10,600.61, 14,619.29 and 6,622.11 is: 9,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,600.61 : 14,619.29 = 6,622.11 : x
  2. Step 2: Convert to fraction form
    10,600.61/14,619.29 = 6,622.11/x
  3. Step 3: Cross multiply
    10,600.61x = 14,619.29 × 6,622.11
  4. Step 4: Simplify right side
    10,600.61x = 96,810,513.39
  5. Step 5: Solve for x
    x = 96,810,513.39/10,600.61
  6. Step 6: Final answer
    x = 9,132.55

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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.