Home / 13,020.60-19,525.14-3,787.32

Finding the Fourth Proportional to 13,020.60, 19,525.14 and 3,787.32

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Solution

The fourth proportional to 13,020.60, 19,525.14 and 3,787.32 is: 5,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.60 : 19,525.14 = 3,787.32 : x
  2. Step 2: Convert to fraction form
    13,020.60/19,525.14 = 3,787.32/x
  3. Step 3: Cross multiply
    13,020.60x = 19,525.14 × 3,787.32
  4. Step 4: Simplify right side
    13,020.60x = 73,947,953.22
  5. Step 5: Solve for x
    x = 73,947,953.22/13,020.60
  6. Step 6: Final answer
    x = 5,679.30

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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.