Home / 10,029.40-13,833.72-6,880.12

Finding the Fourth Proportional to 10,029.40, 13,833.72 and 6,880.12

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Solution

The fourth proportional to 10,029.40, 13,833.72 and 6,880.12 is: 9,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,029.40 : 13,833.72 = 6,880.12 : x
  2. Step 2: Convert to fraction form
    10,029.40/13,833.72 = 6,880.12/x
  3. Step 3: Cross multiply
    10,029.40x = 13,833.72 × 6,880.12
  4. Step 4: Simplify right side
    10,029.40x = 95,177,653.65
  5. Step 5: Solve for x
    x = 95,177,653.65/10,029.40
  6. Step 6: Final answer
    x = 9,489.87

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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.