Home / 10,217.28-14,104.80-7,429.44

Finding the Fourth Proportional to 10,217.28, 14,104.80 and 7,429.44

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Solution

The fourth proportional to 10,217.28, 14,104.80 and 7,429.44 is: 10,256.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.28 : 14,104.80 = 7,429.44 : x
  2. Step 2: Convert to fraction form
    10,217.28/14,104.80 = 7,429.44/x
  3. Step 3: Cross multiply
    10,217.28x = 14,104.80 × 7,429.44
  4. Step 4: Simplify right side
    10,217.28x = 104,790,765.31
  5. Step 5: Solve for x
    x = 104,790,765.31/10,217.28
  6. Step 6: Final answer
    x = 10,256.23

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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.