Home / 10,828.31-14,942.95-6,112.79

Finding the Fourth Proportional to 10,828.31, 14,942.95 and 6,112.79

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Solution

The fourth proportional to 10,828.31, 14,942.95 and 6,112.79 is: 8,435.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.31 : 14,942.95 = 6,112.79 : x
  2. Step 2: Convert to fraction form
    10,828.31/14,942.95 = 6,112.79/x
  3. Step 3: Cross multiply
    10,828.31x = 14,942.95 × 6,112.79
  4. Step 4: Simplify right side
    10,828.31x = 91,343,115.33
  5. Step 5: Solve for x
    x = 91,343,115.33/10,828.31
  6. Step 6: Final answer
    x = 8,435.58

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1.5x scale

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.