Home / 10,098.75-13,934.77-5,622.55

Finding the Fourth Proportional to 10,098.75, 13,934.77 and 5,622.55

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Solution

The fourth proportional to 10,098.75, 13,934.77 and 5,622.55 is: 7,758.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.75 : 13,934.77 = 5,622.55 : x
  2. Step 2: Convert to fraction form
    10,098.75/13,934.77 = 5,622.55/x
  3. Step 3: Cross multiply
    10,098.75x = 13,934.77 × 5,622.55
  4. Step 4: Simplify right side
    10,098.75x = 78,348,941.06
  5. Step 5: Solve for x
    x = 78,348,941.06/10,098.75
  6. Step 6: Final answer
    x = 7,758.28

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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.