Home / 14,234.43-21,364.68-7,219.29

Finding the Fourth Proportional to 14,234.43, 21,364.68 and 7,219.29

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Solution

The fourth proportional to 14,234.43, 21,364.68 and 7,219.29 is: 10,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.43 : 21,364.68 = 7,219.29 : x
  2. Step 2: Convert to fraction form
    14,234.43/21,364.68 = 7,219.29/x
  3. Step 3: Cross multiply
    14,234.43x = 21,364.68 × 7,219.29
  4. Step 4: Simplify right side
    14,234.43x = 154,237,820.68
  5. Step 5: Solve for x
    x = 154,237,820.68/14,234.43
  6. Step 6: Final answer
    x = 10,835.55

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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.