Home / 21,202.27-29,256.96-12,252.67

Finding the Fourth Proportional to 21,202.27, 29,256.96 and 12,252.67

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Solution

The fourth proportional to 21,202.27, 29,256.96 and 12,252.67 is: 16,907.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,202.27 : 29,256.96 = 12,252.67 : x
  2. Step 2: Convert to fraction form
    21,202.27/29,256.96 = 12,252.67/x
  3. Step 3: Cross multiply
    21,202.27x = 29,256.96 × 12,252.67
  4. Step 4: Simplify right side
    21,202.27x = 358,475,876.08
  5. Step 5: Solve for x
    x = 358,475,876.08/21,202.27
  6. Step 6: Final answer
    x = 16,907.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.