Home / 19,812.04-29,717.76-4,819.30

Finding the Fourth Proportional to 19,812.04, 29,717.76 and 4,819.30

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Solution

The fourth proportional to 19,812.04, 29,717.76 and 4,819.30 is: 7,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.04 : 29,717.76 = 4,819.30 : x
  2. Step 2: Convert to fraction form
    19,812.04/29,717.76 = 4,819.30/x
  3. Step 3: Cross multiply
    19,812.04x = 29,717.76 × 4,819.30
  4. Step 4: Simplify right side
    19,812.04x = 143,218,800.77
  5. Step 5: Solve for x
    x = 143,218,800.77/19,812.04
  6. Step 6: Final answer
    x = 7,228.88

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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.