Home / 19,484.60-29,248.78-7,806.04

Finding the Fourth Proportional to 19,484.60, 29,248.78 and 7,806.04

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Solution

The fourth proportional to 19,484.60, 29,248.78 and 7,806.04 is: 11,717.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.60 : 29,248.78 = 7,806.04 : x
  2. Step 2: Convert to fraction form
    19,484.60/29,248.78 = 7,806.04/x
  3. Step 3: Cross multiply
    19,484.60x = 29,248.78 × 7,806.04
  4. Step 4: Simplify right side
    19,484.60x = 228,317,146.63
  5. Step 5: Solve for x
    x = 228,317,146.63/19,484.60
  6. Step 6: Final answer
    x = 11,717.83

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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.