Home / 13,308.32-19,964.30-4,540.88

Finding the Fourth Proportional to 13,308.32, 19,964.30 and 4,540.88

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Solution

The fourth proportional to 13,308.32, 19,964.30 and 4,540.88 is: 6,811.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.32 : 19,964.30 = 4,540.88 : x
  2. Step 2: Convert to fraction form
    13,308.32/19,964.30 = 4,540.88/x
  3. Step 3: Cross multiply
    13,308.32x = 19,964.30 × 4,540.88
  4. Step 4: Simplify right side
    13,308.32x = 90,655,368.06
  5. Step 5: Solve for x
    x = 90,655,368.06/13,308.32
  6. Step 6: Final answer
    x = 6,811.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.