Home / 20,219.64-27,898.38-11,833.08

Finding the Fourth Proportional to 20,219.64, 27,898.38 and 11,833.08

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Solution

The fourth proportional to 20,219.64, 27,898.38 and 11,833.08 is: 16,326.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219.64 : 27,898.38 = 11,833.08 : x
  2. Step 2: Convert to fraction form
    20,219.64/27,898.38 = 11,833.08/x
  3. Step 3: Cross multiply
    20,219.64x = 27,898.38 × 11,833.08
  4. Step 4: Simplify right side
    20,219.64x = 330,123,762.41
  5. Step 5: Solve for x
    x = 330,123,762.41/20,219.64
  6. Step 6: Final answer
    x = 16,326.89

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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.