Home / 13,787.93-20,669.07-5,020.85

Finding the Fourth Proportional to 13,787.93, 20,669.07 and 5,020.85

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Solution

The fourth proportional to 13,787.93, 20,669.07 and 5,020.85 is: 7,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787.93 : 20,669.07 = 5,020.85 : x
  2. Step 2: Convert to fraction form
    13,787.93/20,669.07 = 5,020.85/x
  3. Step 3: Cross multiply
    13,787.93x = 20,669.07 × 5,020.85
  4. Step 4: Simplify right side
    13,787.93x = 103,776,300.11
  5. Step 5: Solve for x
    x = 103,776,300.11/13,787.93
  6. Step 6: Final answer
    x = 7,526.60

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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.