Home / 14,222.20-21,302.52-10,318

Finding the Fourth Proportional to 14,222.20, 21,302.52 and 10,318

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Solution

The fourth proportional to 14,222.20, 21,302.52 and 10,318 is: 15,454.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.20 : 21,302.52 = 10,318 : x
  2. Step 2: Convert to fraction form
    14,222.20/21,302.52 = 10,318/x
  3. Step 3: Cross multiply
    14,222.20x = 21,302.52 × 10,318
  4. Step 4: Simplify right side
    14,222.20x = 219,799,401.36
  5. Step 5: Solve for x
    x = 219,799,401.36/14,222.20
  6. Step 6: Final answer
    x = 15,454.67

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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.