Home / 10,828.40-14,943.04-6,112.56

Finding the Fourth Proportional to 10,828.40, 14,943.04 and 6,112.56

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Solution

The fourth proportional to 10,828.40, 14,943.04 and 6,112.56 is: 8,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.40 : 14,943.04 = 6,112.56 : x
  2. Step 2: Convert to fraction form
    10,828.40/14,943.04 = 6,112.56/x
  3. Step 3: Cross multiply
    10,828.40x = 14,943.04 × 6,112.56
  4. Step 4: Simplify right side
    10,828.40x = 91,340,228.58
  5. Step 5: Solve for x
    x = 91,340,228.58/10,828.40
  6. Step 6: Final answer
    x = 8,435.25

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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.