Home / 13,031.64-19,548.81-3,671.58

Finding the Fourth Proportional to 13,031.64, 19,548.81 and 3,671.58

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Solution

The fourth proportional to 13,031.64, 19,548.81 and 3,671.58 is: 5,507.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.64 : 19,548.81 = 3,671.58 : x
  2. Step 2: Convert to fraction form
    13,031.64/19,548.81 = 3,671.58/x
  3. Step 3: Cross multiply
    13,031.64x = 19,548.81 × 3,671.58
  4. Step 4: Simplify right side
    13,031.64x = 71,775,019.82
  5. Step 5: Solve for x
    x = 71,775,019.82/13,031.64
  6. Step 6: Final answer
    x = 5,507.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.