Home / 20,401.04-30,610.34-11,047.74

Finding the Fourth Proportional to 20,401.04, 30,610.34 and 11,047.74

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Solution

The fourth proportional to 20,401.04, 30,610.34 and 11,047.74 is: 16,576.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401.04 : 30,610.34 = 11,047.74 : x
  2. Step 2: Convert to fraction form
    20,401.04/30,610.34 = 11,047.74/x
  3. Step 3: Cross multiply
    20,401.04x = 30,610.34 × 11,047.74
  4. Step 4: Simplify right side
    20,401.04x = 338,175,077.63
  5. Step 5: Solve for x
    x = 338,175,077.63/20,401.04
  6. Step 6: Final answer
    x = 16,576.36

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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.