Home / 20,007.24-30,029.68-10,153.56

Finding the Fourth Proportional to 20,007.24, 30,029.68 and 10,153.56

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Solution

The fourth proportional to 20,007.24, 30,029.68 and 10,153.56 is: 15,239.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.24 : 30,029.68 = 10,153.56 : x
  2. Step 2: Convert to fraction form
    20,007.24/30,029.68 = 10,153.56/x
  3. Step 3: Cross multiply
    20,007.24x = 30,029.68 × 10,153.56
  4. Step 4: Simplify right side
    20,007.24x = 304,908,157.66
  5. Step 5: Solve for x
    x = 304,908,157.66/20,007.24
  6. Step 6: Final answer
    x = 15,239.89

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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.