Home / 13,921.06-20,885.92-4,561.16

Finding the Fourth Proportional to 13,921.06, 20,885.92 and 4,561.16

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Solution

The fourth proportional to 13,921.06, 20,885.92 and 4,561.16 is: 6,843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921.06 : 20,885.92 = 4,561.16 : x
  2. Step 2: Convert to fraction form
    13,921.06/20,885.92 = 4,561.16/x
  3. Step 3: Cross multiply
    13,921.06x = 20,885.92 × 4,561.16
  4. Step 4: Simplify right side
    13,921.06x = 95,264,013.86
  5. Step 5: Solve for x
    x = 95,264,013.86/13,921.06
  6. Step 6: Final answer
    x = 6,843.16

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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.