Home / 15,105.14-20,836.68-14,036.02

Finding the Fourth Proportional to 15,105.14, 20,836.68 and 14,036.02

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Solution

The fourth proportional to 15,105.14, 20,836.68 and 14,036.02 is: 19,361.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,105.14 : 20,836.68 = 14,036.02 : x
  2. Step 2: Convert to fraction form
    15,105.14/20,836.68 = 14,036.02/x
  3. Step 3: Cross multiply
    15,105.14x = 20,836.68 × 14,036.02
  4. Step 4: Simplify right side
    15,105.14x = 292,464,057.21
  5. Step 5: Solve for x
    x = 292,464,057.21/15,105.14
  6. Step 6: Final answer
    x = 19,361.89

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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.