Home / 10,135.05-13,986.14-5,659.22

Finding the Fourth Proportional to 10,135.05, 13,986.14 and 5,659.22

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Solution

The fourth proportional to 10,135.05, 13,986.14 and 5,659.22 is: 7,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.05 : 13,986.14 = 5,659.22 : x
  2. Step 2: Convert to fraction form
    10,135.05/13,986.14 = 5,659.22/x
  3. Step 3: Cross multiply
    10,135.05x = 13,986.14 × 5,659.22
  4. Step 4: Simplify right side
    10,135.05x = 79,150,692.32
  5. Step 5: Solve for x
    x = 79,150,692.32/10,135.05
  6. Step 6: Final answer
    x = 7,809.60

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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.