Home / 13,221.14-19,819.06-4,898.92

Finding the Fourth Proportional to 13,221.14, 19,819.06 and 4,898.92

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Solution

The fourth proportional to 13,221.14, 19,819.06 and 4,898.92 is: 7,343.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,221.14 : 19,819.06 = 4,898.92 : x
  2. Step 2: Convert to fraction form
    13,221.14/19,819.06 = 4,898.92/x
  3. Step 3: Cross multiply
    13,221.14x = 19,819.06 × 4,898.92
  4. Step 4: Simplify right side
    13,221.14x = 97,091,865.83
  5. Step 5: Solve for x
    x = 97,091,865.83/13,221.14
  6. Step 6: Final answer
    x = 7,343.69

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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.