Home / 13,787.83-20,669.36-5,462.23

Finding the Fourth Proportional to 13,787.83, 20,669.36 and 5,462.23

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Solution

The fourth proportional to 13,787.83, 20,669.36 and 5,462.23 is: 8,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787.83 : 20,669.36 = 5,462.23 : x
  2. Step 2: Convert to fraction form
    13,787.83/20,669.36 = 5,462.23/x
  3. Step 3: Cross multiply
    13,787.83x = 20,669.36 × 5,462.23
  4. Step 4: Simplify right side
    13,787.83x = 112,900,770.96
  5. Step 5: Solve for x
    x = 112,900,770.96/13,787.83
  6. Step 6: Final answer
    x = 8,188.44

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1.5x scale

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.