Home / 10,019.24-15,031.73-2,999.78

Finding the Fourth Proportional to 10,019.24, 15,031.73 and 2,999.78

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Solution

The fourth proportional to 10,019.24, 15,031.73 and 2,999.78 is: 4,500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.24 : 15,031.73 = 2,999.78 : x
  2. Step 2: Convert to fraction form
    10,019.24/15,031.73 = 2,999.78/x
  3. Step 3: Cross multiply
    10,019.24x = 15,031.73 × 2,999.78
  4. Step 4: Simplify right side
    10,019.24x = 45,091,815.36
  5. Step 5: Solve for x
    x = 45,091,815.36/10,019.24
  6. Step 6: Final answer
    x = 4,500.52

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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.