Home / 19,346.56-29,022.72-8,959.36

Finding the Fourth Proportional to 19,346.56, 29,022.72 and 8,959.36

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Solution

The fourth proportional to 19,346.56, 29,022.72 and 8,959.36 is: 13,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.56 : 29,022.72 = 8,959.36 : x
  2. Step 2: Convert to fraction form
    19,346.56/29,022.72 = 8,959.36/x
  3. Step 3: Cross multiply
    19,346.56x = 29,022.72 × 8,959.36
  4. Step 4: Simplify right side
    19,346.56x = 260,024,996.66
  5. Step 5: Solve for x
    x = 260,024,996.66/19,346.56
  6. Step 6: Final answer
    x = 13,440.37

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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.