Home / 15,186.36-20,967.72-9,523.56

Finding the Fourth Proportional to 15,186.36, 20,967.72 and 9,523.56

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Solution

The fourth proportional to 15,186.36, 20,967.72 and 9,523.56 is: 13,149.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,186.36 : 20,967.72 = 9,523.56 : x
  2. Step 2: Convert to fraction form
    15,186.36/20,967.72 = 9,523.56/x
  3. Step 3: Cross multiply
    15,186.36x = 20,967.72 × 9,523.56
  4. Step 4: Simplify right side
    15,186.36x = 199,687,339.48
  5. Step 5: Solve for x
    x = 199,687,339.48/15,186.36
  6. Step 6: Final answer
    x = 13,149.12

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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.