Home / 10,205.03-15,307.71-2,809.44

Finding the Fourth Proportional to 10,205.03, 15,307.71 and 2,809.44

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Solution

The fourth proportional to 10,205.03, 15,307.71 and 2,809.44 is: 4,214.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205.03 : 15,307.71 = 2,809.44 : x
  2. Step 2: Convert to fraction form
    10,205.03/15,307.71 = 2,809.44/x
  3. Step 3: Cross multiply
    10,205.03x = 15,307.71 × 2,809.44
  4. Step 4: Simplify right side
    10,205.03x = 43,006,092.78
  5. Step 5: Solve for x
    x = 43,006,092.78/10,205.03
  6. Step 6: Final answer
    x = 4,214.21

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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.