Home / 12,535.99-18,660.69-12,349.19

Finding the Fourth Proportional to 12,535.99, 18,660.69 and 12,349.19

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Solution

The fourth proportional to 12,535.99, 18,660.69 and 12,349.19 is: 18,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.99 : 18,660.69 = 12,349.19 : x
  2. Step 2: Convert to fraction form
    12,535.99/18,660.69 = 12,349.19/x
  3. Step 3: Cross multiply
    12,535.99x = 18,660.69 × 12,349.19
  4. Step 4: Simplify right side
    12,535.99x = 230,444,452.99
  5. Step 5: Solve for x
    x = 230,444,452.99/12,535.99
  6. Step 6: Final answer
    x = 18,382.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.