Home / 15,814.56-21,794.10-11,330.64

Finding the Fourth Proportional to 15,814.56, 21,794.10 and 11,330.64

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Solution

The fourth proportional to 15,814.56, 21,794.10 and 11,330.64 is: 15,614.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814.56 : 21,794.10 = 11,330.64 : x
  2. Step 2: Convert to fraction form
    15,814.56/21,794.10 = 11,330.64/x
  3. Step 3: Cross multiply
    15,814.56x = 21,794.10 × 11,330.64
  4. Step 4: Simplify right side
    15,814.56x = 246,941,101.22
  5. Step 5: Solve for x
    x = 246,941,101.22/15,814.56
  6. Step 6: Final answer
    x = 15,614.79

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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.