Home / 19,340.32-29,025.06-8,959.36

Finding the Fourth Proportional to 19,340.32, 29,025.06 and 8,959.36

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Solution

The fourth proportional to 19,340.32, 29,025.06 and 8,959.36 is: 13,445.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,340.32 : 29,025.06 = 8,959.36 : x
  2. Step 2: Convert to fraction form
    19,340.32/29,025.06 = 8,959.36/x
  3. Step 3: Cross multiply
    19,340.32x = 29,025.06 × 8,959.36
  4. Step 4: Simplify right side
    19,340.32x = 260,045,961.56
  5. Step 5: Solve for x
    x = 260,045,961.56/19,340.32
  6. Step 6: Final answer
    x = 13,445.79

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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.