Home / 9,014.99-12,439.85-5,238.12

Finding the Fourth Proportional to 9,014.99, 12,439.85 and 5,238.12

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Solution

The fourth proportional to 9,014.99, 12,439.85 and 5,238.12 is: 7,228.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,014.99 : 12,439.85 = 5,238.12 : x
  2. Step 2: Convert to fraction form
    9,014.99/12,439.85 = 5,238.12/x
  3. Step 3: Cross multiply
    9,014.99x = 12,439.85 × 5,238.12
  4. Step 4: Simplify right side
    9,014.99x = 65,161,351.79
  5. Step 5: Solve for x
    x = 65,161,351.79/9,014.99
  6. Step 6: Final answer
    x = 7,228.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.