Home / 10,020.26-15,012.56-8,544.44

Finding the Fourth Proportional to 10,020.26, 15,012.56 and 8,544.44

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Solution

The fourth proportional to 10,020.26, 15,012.56 and 8,544.44 is: 12,801.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.26 : 15,012.56 = 8,544.44 : x
  2. Step 2: Convert to fraction form
    10,020.26/15,012.56 = 8,544.44/x
  3. Step 3: Cross multiply
    10,020.26x = 15,012.56 × 8,544.44
  4. Step 4: Simplify right side
    10,020.26x = 128,273,800.38
  5. Step 5: Solve for x
    x = 128,273,800.38/10,020.26
  6. Step 6: Final answer
    x = 12,801.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.