Home / 10,019.85-15,027.78-2,904.92

Finding the Fourth Proportional to 10,019.85, 15,027.78 and 2,904.92

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Solution

The fourth proportional to 10,019.85, 15,027.78 and 2,904.92 is: 4,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.85 : 15,027.78 = 2,904.92 : x
  2. Step 2: Convert to fraction form
    10,019.85/15,027.78 = 2,904.92/x
  3. Step 3: Cross multiply
    10,019.85x = 15,027.78 × 2,904.92
  4. Step 4: Simplify right side
    10,019.85x = 43,654,485.01
  5. Step 5: Solve for x
    x = 43,654,485.01/10,019.85
  6. Step 6: Final answer
    x = 4,356.80

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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.