Home / 14,222.46-21,305.12-7,085.19

Finding the Fourth Proportional to 14,222.46, 21,305.12 and 7,085.19

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Solution

The fourth proportional to 14,222.46, 21,305.12 and 7,085.19 is: 10,613.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.46 : 21,305.12 = 7,085.19 : x
  2. Step 2: Convert to fraction form
    14,222.46/21,305.12 = 7,085.19/x
  3. Step 3: Cross multiply
    14,222.46x = 21,305.12 × 7,085.19
  4. Step 4: Simplify right side
    14,222.46x = 150,950,787.75
  5. Step 5: Solve for x
    x = 150,950,787.75/14,222.46
  6. Step 6: Final answer
    x = 10,613.55

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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.