Home / 13,703.30-20,554.56-3,709

Finding the Fourth Proportional to 13,703.30, 20,554.56 and 3,709

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Solution

The fourth proportional to 13,703.30, 20,554.56 and 3,709 is: 5,563.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.30 : 20,554.56 = 3,709 : x
  2. Step 2: Convert to fraction form
    13,703.30/20,554.56 = 3,709/x
  3. Step 3: Cross multiply
    13,703.30x = 20,554.56 × 3,709
  4. Step 4: Simplify right side
    13,703.30x = 76,236,863.04
  5. Step 5: Solve for x
    x = 76,236,863.04/13,703.30
  6. Step 6: Final answer
    x = 5,563.39

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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.