Home / 10,187.60-14,061.87-6,651.35

Finding the Fourth Proportional to 10,187.60, 14,061.87 and 6,651.35

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Solution

The fourth proportional to 10,187.60, 14,061.87 and 6,651.35 is: 9,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.60 : 14,061.87 = 6,651.35 : x
  2. Step 2: Convert to fraction form
    10,187.60/14,061.87 = 6,651.35/x
  3. Step 3: Cross multiply
    10,187.60x = 14,061.87 × 6,651.35
  4. Step 4: Simplify right side
    10,187.60x = 93,530,348.72
  5. Step 5: Solve for x
    x = 93,530,348.72/10,187.60
  6. Step 6: Final answer
    x = 9,180.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.