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Finding the Fourth Proportional to 19,802.10, 29,714.69 and 7,330.73

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Solution

The fourth proportional to 19,802.10, 29,714.69 and 7,330.73 is: 11,000.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802.10 : 29,714.69 = 7,330.73 : x
  2. Step 2: Convert to fraction form
    19,802.10/29,714.69 = 7,330.73/x
  3. Step 3: Cross multiply
    19,802.10x = 29,714.69 × 7,330.73
  4. Step 4: Simplify right side
    19,802.10x = 217,830,369.42
  5. Step 5: Solve for x
    x = 217,830,369.42/19,802.10
  6. Step 6: Final answer
    x = 11,000.37

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1.5x scale

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.