Home / 13,478.04-20,226.30-4,713

Finding the Fourth Proportional to 13,478.04, 20,226.30 and 4,713

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Solution

The fourth proportional to 13,478.04, 20,226.30 and 4,713 is: 7,072.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478.04 : 20,226.30 = 4,713 : x
  2. Step 2: Convert to fraction form
    13,478.04/20,226.30 = 4,713/x
  3. Step 3: Cross multiply
    13,478.04x = 20,226.30 × 4,713
  4. Step 4: Simplify right side
    13,478.04x = 95,326,551.90
  5. Step 5: Solve for x
    x = 95,326,551.90/13,478.04
  6. Step 6: Final answer
    x = 7,072.73

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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.