Home / 15,998.05-23,932.99-13,830.13

Finding the Fourth Proportional to 15,998.05, 23,932.99 and 13,830.13

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Solution

The fourth proportional to 15,998.05, 23,932.99 and 13,830.13 is: 20,689.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.05 : 23,932.99 = 13,830.13 : x
  2. Step 2: Convert to fraction form
    15,998.05/23,932.99 = 13,830.13/x
  3. Step 3: Cross multiply
    15,998.05x = 23,932.99 × 13,830.13
  4. Step 4: Simplify right side
    15,998.05x = 330,996,362.99
  5. Step 5: Solve for x
    x = 330,996,362.99/15,998.05
  6. Step 6: Final answer
    x = 20,689.79

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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.