Home / 13,904.48-20,857.44-3,516.32

Finding the Fourth Proportional to 13,904.48, 20,857.44 and 3,516.32

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Solution

The fourth proportional to 13,904.48, 20,857.44 and 3,516.32 is: 5,274.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.48 : 20,857.44 = 3,516.32 : x
  2. Step 2: Convert to fraction form
    13,904.48/20,857.44 = 3,516.32/x
  3. Step 3: Cross multiply
    13,904.48x = 20,857.44 × 3,516.32
  4. Step 4: Simplify right side
    13,904.48x = 73,341,433.42
  5. Step 5: Solve for x
    x = 73,341,433.42/13,904.48
  6. Step 6: Final answer
    x = 5,274.66

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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.