Home / 20,012.01-30,016.93-10,151.03

Finding the Fourth Proportional to 20,012.01, 30,016.93 and 10,151.03

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Solution

The fourth proportional to 20,012.01, 30,016.93 and 10,151.03 is: 15,225.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012.01 : 30,016.93 = 10,151.03 : x
  2. Step 2: Convert to fraction form
    20,012.01/30,016.93 = 10,151.03/x
  3. Step 3: Cross multiply
    20,012.01x = 30,016.93 × 10,151.03
  4. Step 4: Simplify right side
    20,012.01x = 304,702,756.94
  5. Step 5: Solve for x
    x = 304,702,756.94/20,012.01
  6. Step 6: Final answer
    x = 15,225.99

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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.