Home / 20,008.03-30,030.87-10,154.38

Finding the Fourth Proportional to 20,008.03, 30,030.87 and 10,154.38

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Solution

The fourth proportional to 20,008.03, 30,030.87 and 10,154.38 is: 15,241.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.03 : 30,030.87 = 10,154.38 : x
  2. Step 2: Convert to fraction form
    20,008.03/30,030.87 = 10,154.38/x
  3. Step 3: Cross multiply
    20,008.03x = 30,030.87 × 10,154.38
  4. Step 4: Simplify right side
    20,008.03x = 304,944,715.56
  5. Step 5: Solve for x
    x = 304,944,715.56/20,008.03
  6. Step 6: Final answer
    x = 15,241.12

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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.