Home / 13,348.64-20,020.68-4,463.16

Finding the Fourth Proportional to 13,348.64, 20,020.68 and 4,463.16

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Solution

The fourth proportional to 13,348.64, 20,020.68 and 4,463.16 is: 6,693.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.64 : 20,020.68 = 4,463.16 : x
  2. Step 2: Convert to fraction form
    13,348.64/20,020.68 = 4,463.16/x
  3. Step 3: Cross multiply
    13,348.64x = 20,020.68 × 4,463.16
  4. Step 4: Simplify right side
    13,348.64x = 89,355,498.15
  5. Step 5: Solve for x
    x = 89,355,498.15/13,348.64
  6. Step 6: Final answer
    x = 6,693.98

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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.