Home / 10,469.12-14,446.62-6,219.99

Finding the Fourth Proportional to 10,469.12, 14,446.62 and 6,219.99

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Solution

The fourth proportional to 10,469.12, 14,446.62 and 6,219.99 is: 8,583.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,469.12 : 14,446.62 = 6,219.99 : x
  2. Step 2: Convert to fraction form
    10,469.12/14,446.62 = 6,219.99/x
  3. Step 3: Cross multiply
    10,469.12x = 14,446.62 × 6,219.99
  4. Step 4: Simplify right side
    10,469.12x = 89,857,831.93
  5. Step 5: Solve for x
    x = 89,857,831.93/10,469.12
  6. Step 6: Final answer
    x = 8,583.14

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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.