Home / 14,782.72-22,178.96-6,990.52

Finding the Fourth Proportional to 14,782.72, 22,178.96 and 6,990.52

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Solution

The fourth proportional to 14,782.72, 22,178.96 and 6,990.52 is: 10,488.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,782.72 : 22,178.96 = 6,990.52 : x
  2. Step 2: Convert to fraction form
    14,782.72/22,178.96 = 6,990.52/x
  3. Step 3: Cross multiply
    14,782.72x = 22,178.96 × 6,990.52
  4. Step 4: Simplify right side
    14,782.72x = 155,042,463.46
  5. Step 5: Solve for x
    x = 155,042,463.46/14,782.72
  6. Step 6: Final answer
    x = 10,488.09

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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.