Home / 10,139.44-13,986.59-6,103.46

Finding the Fourth Proportional to 10,139.44, 13,986.59 and 6,103.46

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Solution

The fourth proportional to 10,139.44, 13,986.59 and 6,103.46 is: 8,419.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,139.44 : 13,986.59 = 6,103.46 : x
  2. Step 2: Convert to fraction form
    10,139.44/13,986.59 = 6,103.46/x
  3. Step 3: Cross multiply
    10,139.44x = 13,986.59 × 6,103.46
  4. Step 4: Simplify right side
    10,139.44x = 85,366,592.60
  5. Step 5: Solve for x
    x = 85,366,592.60/10,139.44
  6. Step 6: Final answer
    x = 8,419.26

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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.