Home / 13,252.10-19,873.29-3,889.72

Finding the Fourth Proportional to 13,252.10, 19,873.29 and 3,889.72

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Solution

The fourth proportional to 13,252.10, 19,873.29 and 3,889.72 is: 5,833.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.10 : 19,873.29 = 3,889.72 : x
  2. Step 2: Convert to fraction form
    13,252.10/19,873.29 = 3,889.72/x
  3. Step 3: Cross multiply
    13,252.10x = 19,873.29 × 3,889.72
  4. Step 4: Simplify right side
    13,252.10x = 77,301,483.90
  5. Step 5: Solve for x
    x = 77,301,483.90/13,252.10
  6. Step 6: Final answer
    x = 5,833.15

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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.