Home / 19,669.08-29,507.94-5,819.16

Finding the Fourth Proportional to 19,669.08, 29,507.94 and 5,819.16

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Solution

The fourth proportional to 19,669.08, 29,507.94 and 5,819.16 is: 8,730.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.08 : 29,507.94 = 5,819.16 : x
  2. Step 2: Convert to fraction form
    19,669.08/29,507.94 = 5,819.16/x
  3. Step 3: Cross multiply
    19,669.08x = 29,507.94 × 5,819.16
  4. Step 4: Simplify right side
    19,669.08x = 171,711,424.13
  5. Step 5: Solve for x
    x = 171,711,424.13/19,669.08
  6. Step 6: Final answer
    x = 8,730.02

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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.