Home / 18,964.33-28,446.50-6,484.47

Finding the Fourth Proportional to 18,964.33, 28,446.50 and 6,484.47

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Solution

The fourth proportional to 18,964.33, 28,446.50 and 6,484.47 is: 9,726.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.33 : 28,446.50 = 6,484.47 : x
  2. Step 2: Convert to fraction form
    18,964.33/28,446.50 = 6,484.47/x
  3. Step 3: Cross multiply
    18,964.33x = 28,446.50 × 6,484.47
  4. Step 4: Simplify right side
    18,964.33x = 184,460,336.76
  5. Step 5: Solve for x
    x = 184,460,336.76/18,964.33
  6. Step 6: Final answer
    x = 9,726.70

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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.