Home / 13,304.40-19,958.15-4,420.52

Finding the Fourth Proportional to 13,304.40, 19,958.15 and 4,420.52

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Solution

The fourth proportional to 13,304.40, 19,958.15 and 4,420.52 is: 6,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.40 : 19,958.15 = 4,420.52 : x
  2. Step 2: Convert to fraction form
    13,304.40/19,958.15 = 4,420.52/x
  3. Step 3: Cross multiply
    13,304.40x = 19,958.15 × 4,420.52
  4. Step 4: Simplify right side
    13,304.40x = 88,225,474.74
  5. Step 5: Solve for x
    x = 88,225,474.74/13,304.40
  6. Step 6: Final answer
    x = 6,631.30

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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.