Home / 13,787.48-20,669.04-5,020.70

Finding the Fourth Proportional to 13,787.48, 20,669.04 and 5,020.70

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Solution

The fourth proportional to 13,787.48, 20,669.04 and 5,020.70 is: 7,526.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787.48 : 20,669.04 = 5,020.70 : x
  2. Step 2: Convert to fraction form
    13,787.48/20,669.04 = 5,020.70/x
  3. Step 3: Cross multiply
    13,787.48x = 20,669.04 × 5,020.70
  4. Step 4: Simplify right side
    13,787.48x = 103,773,049.13
  5. Step 5: Solve for x
    x = 103,773,049.13/13,787.48
  6. Step 6: Final answer
    x = 7,526.61

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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.