Home / 19,633.32-27,101.88-13,349.52

Finding the Fourth Proportional to 19,633.32, 27,101.88 and 13,349.52

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Solution

The fourth proportional to 19,633.32, 27,101.88 and 13,349.52 is: 18,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,633.32 : 27,101.88 = 13,349.52 : x
  2. Step 2: Convert to fraction form
    19,633.32/27,101.88 = 13,349.52/x
  3. Step 3: Cross multiply
    19,633.32x = 27,101.88 × 13,349.52
  4. Step 4: Simplify right side
    19,633.32x = 361,797,089.10
  5. Step 5: Solve for x
    x = 361,797,089.10/19,633.32
  6. Step 6: Final answer
    x = 18,427.71

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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.