Home / 13,188.66-19,776.60-4,872.59

Finding the Fourth Proportional to 13,188.66, 19,776.60 and 4,872.59

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Solution

The fourth proportional to 13,188.66, 19,776.60 and 4,872.59 is: 7,306.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188.66 : 19,776.60 = 4,872.59 : x
  2. Step 2: Convert to fraction form
    13,188.66/19,776.60 = 4,872.59/x
  3. Step 3: Cross multiply
    13,188.66x = 19,776.60 × 4,872.59
  4. Step 4: Simplify right side
    13,188.66x = 96,363,263.39
  5. Step 5: Solve for x
    x = 96,363,263.39/13,188.66
  6. Step 6: Final answer
    x = 7,306.52

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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.