Home / 10,639.56-14,682.70-5,923.95

Finding the Fourth Proportional to 10,639.56, 14,682.70 and 5,923.95

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Solution

The fourth proportional to 10,639.56, 14,682.70 and 5,923.95 is: 8,175.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.56 : 14,682.70 = 5,923.95 : x
  2. Step 2: Convert to fraction form
    10,639.56/14,682.70 = 5,923.95/x
  3. Step 3: Cross multiply
    10,639.56x = 14,682.70 × 5,923.95
  4. Step 4: Simplify right side
    10,639.56x = 86,979,580.67
  5. Step 5: Solve for x
    x = 86,979,580.67/10,639.56
  6. Step 6: Final answer
    x = 8,175.11

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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.