Home / 22,808.10-34,218.41-10,971.78

Finding the Fourth Proportional to 22,808.10, 34,218.41 and 10,971.78

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Solution

The fourth proportional to 22,808.10, 34,218.41 and 10,971.78 is: 16,460.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,808.10 : 34,218.41 = 10,971.78 : x
  2. Step 2: Convert to fraction form
    22,808.10/34,218.41 = 10,971.78/x
  3. Step 3: Cross multiply
    22,808.10x = 34,218.41 × 10,971.78
  4. Step 4: Simplify right side
    22,808.10x = 375,436,683.29
  5. Step 5: Solve for x
    x = 375,436,683.29/22,808.10
  6. Step 6: Final answer
    x = 16,460.67

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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.