Home / 13,954.16-20,925.22-5,182.64

Finding the Fourth Proportional to 13,954.16, 20,925.22 and 5,182.64

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Solution

The fourth proportional to 13,954.16, 20,925.22 and 5,182.64 is: 7,771.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.16 : 20,925.22 = 5,182.64 : x
  2. Step 2: Convert to fraction form
    13,954.16/20,925.22 = 5,182.64/x
  3. Step 3: Cross multiply
    13,954.16x = 20,925.22 × 5,182.64
  4. Step 4: Simplify right side
    13,954.16x = 108,447,882.18
  5. Step 5: Solve for x
    x = 108,447,882.18/13,954.16
  6. Step 6: Final answer
    x = 7,771.72

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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.