Home / 10,098.68-13,936.77-5,622.30

Finding the Fourth Proportional to 10,098.68, 13,936.77 and 5,622.30

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Solution

The fourth proportional to 10,098.68, 13,936.77 and 5,622.30 is: 7,759.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.68 : 13,936.77 = 5,622.30 : x
  2. Step 2: Convert to fraction form
    10,098.68/13,936.77 = 5,622.30/x
  3. Step 3: Cross multiply
    10,098.68x = 13,936.77 × 5,622.30
  4. Step 4: Simplify right side
    10,098.68x = 78,356,701.97
  5. Step 5: Solve for x
    x = 78,356,701.97/10,098.68
  6. Step 6: Final answer
    x = 7,759.11

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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.