Home / 10,851.21-16,279.29-3,925.71

Finding the Fourth Proportional to 10,851.21, 16,279.29 and 3,925.71

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Solution

The fourth proportional to 10,851.21, 16,279.29 and 3,925.71 is: 5,889.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.21 : 16,279.29 = 3,925.71 : x
  2. Step 2: Convert to fraction form
    10,851.21/16,279.29 = 3,925.71/x
  3. Step 3: Cross multiply
    10,851.21x = 16,279.29 × 3,925.71
  4. Step 4: Simplify right side
    10,851.21x = 63,907,771.55
  5. Step 5: Solve for x
    x = 63,907,771.55/10,851.21
  6. Step 6: Final answer
    x = 5,889.46

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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.