Home / 10,986.04-15,161.10-6,679.16

Finding the Fourth Proportional to 10,986.04, 15,161.10 and 6,679.16

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Solution

The fourth proportional to 10,986.04, 15,161.10 and 6,679.16 is: 9,217.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.04 : 15,161.10 = 6,679.16 : x
  2. Step 2: Convert to fraction form
    10,986.04/15,161.10 = 6,679.16/x
  3. Step 3: Cross multiply
    10,986.04x = 15,161.10 × 6,679.16
  4. Step 4: Simplify right side
    10,986.04x = 101,263,412.68
  5. Step 5: Solve for x
    x = 101,263,412.68/10,986.04
  6. Step 6: Final answer
    x = 9,217.46

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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.