Home / 10,204.62-15,307.28-2,809.06

Finding the Fourth Proportional to 10,204.62, 15,307.28 and 2,809.06

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Solution

The fourth proportional to 10,204.62, 15,307.28 and 2,809.06 is: 4,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.62 : 15,307.28 = 2,809.06 : x
  2. Step 2: Convert to fraction form
    10,204.62/15,307.28 = 2,809.06/x
  3. Step 3: Cross multiply
    10,204.62x = 15,307.28 × 2,809.06
  4. Step 4: Simplify right side
    10,204.62x = 42,999,067.96
  5. Step 5: Solve for x
    x = 42,999,067.96/10,204.62
  6. Step 6: Final answer
    x = 4,213.69

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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.