Home / 12,309.24-18,462.30-4,517.40

Finding the Fourth Proportional to 12,309.24, 18,462.30 and 4,517.40

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Solution

The fourth proportional to 12,309.24, 18,462.30 and 4,517.40 is: 6,775.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,309.24 : 18,462.30 = 4,517.40 : x
  2. Step 2: Convert to fraction form
    12,309.24/18,462.30 = 4,517.40/x
  3. Step 3: Cross multiply
    12,309.24x = 18,462.30 × 4,517.40
  4. Step 4: Simplify right side
    12,309.24x = 83,401,594.02
  5. Step 5: Solve for x
    x = 83,401,594.02/12,309.24
  6. Step 6: Final answer
    x = 6,775.53

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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.