Home / 12,434.94-18,660.09-5,039.46

Finding the Fourth Proportional to 12,434.94, 18,660.09 and 5,039.46

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Solution

The fourth proportional to 12,434.94, 18,660.09 and 5,039.46 is: 7,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.94 : 18,660.09 = 5,039.46 : x
  2. Step 2: Convert to fraction form
    12,434.94/18,660.09 = 5,039.46/x
  3. Step 3: Cross multiply
    12,434.94x = 18,660.09 × 5,039.46
  4. Step 4: Simplify right side
    12,434.94x = 94,036,777.15
  5. Step 5: Solve for x
    x = 94,036,777.15/12,434.94
  6. Step 6: Final answer
    x = 7,562.30

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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.