Home / 20,381.41-30,576.75-7,233.76

Finding the Fourth Proportional to 20,381.41, 30,576.75 and 7,233.76

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Solution

The fourth proportional to 20,381.41, 30,576.75 and 7,233.76 is: 10,852.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,381.41 : 30,576.75 = 7,233.76 : x
  2. Step 2: Convert to fraction form
    20,381.41/30,576.75 = 7,233.76/x
  3. Step 3: Cross multiply
    20,381.41x = 30,576.75 × 7,233.76
  4. Step 4: Simplify right side
    20,381.41x = 221,184,871.08
  5. Step 5: Solve for x
    x = 221,184,871.08/20,381.41
  6. Step 6: Final answer
    x = 10,852.29

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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.