Home / 10,239.07-15,358.59-3,219.70

Finding the Fourth Proportional to 10,239.07, 15,358.59 and 3,219.70

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Solution

The fourth proportional to 10,239.07, 15,358.59 and 3,219.70 is: 4,829.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.07 : 15,358.59 = 3,219.70 : x
  2. Step 2: Convert to fraction form
    10,239.07/15,358.59 = 3,219.70/x
  3. Step 3: Cross multiply
    10,239.07x = 15,358.59 × 3,219.70
  4. Step 4: Simplify right side
    10,239.07x = 49,449,999.43
  5. Step 5: Solve for x
    x = 49,449,999.43/10,239.07
  6. Step 6: Final answer
    x = 4,829.54

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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.