Home / 13,577.98-20,368.38-3,717.26

Finding the Fourth Proportional to 13,577.98, 20,368.38 and 3,717.26

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Solution

The fourth proportional to 13,577.98, 20,368.38 and 3,717.26 is: 5,576.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.98 : 20,368.38 = 3,717.26 : x
  2. Step 2: Convert to fraction form
    13,577.98/20,368.38 = 3,717.26/x
  3. Step 3: Cross multiply
    13,577.98x = 20,368.38 × 3,717.26
  4. Step 4: Simplify right side
    13,577.98x = 75,714,538.78
  5. Step 5: Solve for x
    x = 75,714,538.78/13,577.98
  6. Step 6: Final answer
    x = 5,576.27

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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.