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Finding the Fourth Proportional to 19,648.04, 29,479.74 and 7,337

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Solution

The fourth proportional to 19,648.04, 29,479.74 and 7,337 is: 11,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,648.04 : 29,479.74 = 7,337 : x
  2. Step 2: Convert to fraction form
    19,648.04/29,479.74 = 7,337/x
  3. Step 3: Cross multiply
    19,648.04x = 29,479.74 × 7,337
  4. Step 4: Simplify right side
    19,648.04x = 216,292,852.38
  5. Step 5: Solve for x
    x = 216,292,852.38/19,648.04
  6. Step 6: Final answer
    x = 11,008.37

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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.