Home / 18,834.56-28,248.64-4,984.96

Finding the Fourth Proportional to 18,834.56, 28,248.64 and 4,984.96

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Solution

The fourth proportional to 18,834.56, 28,248.64 and 4,984.96 is: 7,476.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.56 : 28,248.64 = 4,984.96 : x
  2. Step 2: Convert to fraction form
    18,834.56/28,248.64 = 4,984.96/x
  3. Step 3: Cross multiply
    18,834.56x = 28,248.64 × 4,984.96
  4. Step 4: Simplify right side
    18,834.56x = 140,818,340.45
  5. Step 5: Solve for x
    x = 140,818,340.45/18,834.56
  6. Step 6: Final answer
    x = 7,476.59

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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.