Home / 19,818.57-29,730.93-6,669.92

Finding the Fourth Proportional to 19,818.57, 29,730.93 and 6,669.92

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Solution

The fourth proportional to 19,818.57, 29,730.93 and 6,669.92 is: 10,005.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.57 : 29,730.93 = 6,669.92 : x
  2. Step 2: Convert to fraction form
    19,818.57/29,730.93 = 6,669.92/x
  3. Step 3: Cross multiply
    19,818.57x = 29,730.93 × 6,669.92
  4. Step 4: Simplify right side
    19,818.57x = 198,302,924.63
  5. Step 5: Solve for x
    x = 198,302,924.63/19,818.57
  6. Step 6: Final answer
    x = 10,005.91

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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.