Home / 10,289.99-15,433.18-2,892.69

Finding the Fourth Proportional to 10,289.99, 15,433.18 and 2,892.69

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Solution

The fourth proportional to 10,289.99, 15,433.18 and 2,892.69 is: 4,338.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.99 : 15,433.18 = 2,892.69 : x
  2. Step 2: Convert to fraction form
    10,289.99/15,433.18 = 2,892.69/x
  3. Step 3: Cross multiply
    10,289.99x = 15,433.18 × 2,892.69
  4. Step 4: Simplify right side
    10,289.99x = 44,643,380.13
  5. Step 5: Solve for x
    x = 44,643,380.13/10,289.99
  6. Step 6: Final answer
    x = 4,338.53

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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.