Home / 11,247.81-15,522.10-6,212.16

Finding the Fourth Proportional to 11,247.81, 15,522.10 and 6,212.16

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Solution

The fourth proportional to 11,247.81, 15,522.10 and 6,212.16 is: 8,572.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.81 : 15,522.10 = 6,212.16 : x
  2. Step 2: Convert to fraction form
    11,247.81/15,522.10 = 6,212.16/x
  3. Step 3: Cross multiply
    11,247.81x = 15,522.10 × 6,212.16
  4. Step 4: Simplify right side
    11,247.81x = 96,425,718.27
  5. Step 5: Solve for x
    x = 96,425,718.27/11,247.81
  6. Step 6: Final answer
    x = 8,572.84

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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.