Home / 19,995.68-29,930.62-13,718.99

Finding the Fourth Proportional to 19,995.68, 29,930.62 and 13,718.99

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Solution

The fourth proportional to 19,995.68, 29,930.62 and 13,718.99 is: 20,535.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.68 : 29,930.62 = 13,718.99 : x
  2. Step 2: Convert to fraction form
    19,995.68/29,930.62 = 13,718.99/x
  3. Step 3: Cross multiply
    19,995.68x = 29,930.62 × 13,718.99
  4. Step 4: Simplify right side
    19,995.68x = 410,617,807.88
  5. Step 5: Solve for x
    x = 410,617,807.88/19,995.68
  6. Step 6: Final answer
    x = 20,535.33

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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.