Home / 10,157.14-14,016.92-5,619.87

Finding the Fourth Proportional to 10,157.14, 14,016.92 and 5,619.87

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Solution

The fourth proportional to 10,157.14, 14,016.92 and 5,619.87 is: 7,755.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.14 : 14,016.92 = 5,619.87 : x
  2. Step 2: Convert to fraction form
    10,157.14/14,016.92 = 5,619.87/x
  3. Step 3: Cross multiply
    10,157.14x = 14,016.92 × 5,619.87
  4. Step 4: Simplify right side
    10,157.14x = 78,773,268.20
  5. Step 5: Solve for x
    x = 78,773,268.20/10,157.14
  6. Step 6: Final answer
    x = 7,755.46

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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.