Home / 10,139.82-13,999.87-6,563.43

Finding the Fourth Proportional to 10,139.82, 13,999.87 and 6,563.43

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Solution

The fourth proportional to 10,139.82, 13,999.87 and 6,563.43 is: 9,062.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,139.82 : 13,999.87 = 6,563.43 : x
  2. Step 2: Convert to fraction form
    10,139.82/13,999.87 = 6,563.43/x
  3. Step 3: Cross multiply
    10,139.82x = 13,999.87 × 6,563.43
  4. Step 4: Simplify right side
    10,139.82x = 91,887,227.46
  5. Step 5: Solve for x
    x = 91,887,227.46/10,139.82
  6. Step 6: Final answer
    x = 9,062.02

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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.