Home / 10,489.99-15,735.08-2,993.54

Finding the Fourth Proportional to 10,489.99, 15,735.08 and 2,993.54

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Solution

The fourth proportional to 10,489.99, 15,735.08 and 2,993.54 is: 4,490.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489.99 : 15,735.08 = 2,993.54 : x
  2. Step 2: Convert to fraction form
    10,489.99/15,735.08 = 2,993.54/x
  3. Step 3: Cross multiply
    10,489.99x = 15,735.08 × 2,993.54
  4. Step 4: Simplify right side
    10,489.99x = 47,103,598.87
  5. Step 5: Solve for x
    x = 47,103,598.87/10,489.99
  6. Step 6: Final answer
    x = 4,490.34

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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.