Home / 11,291.84-15,582.72-6,256.37

Finding the Fourth Proportional to 11,291.84, 15,582.72 and 6,256.37

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Solution

The fourth proportional to 11,291.84, 15,582.72 and 6,256.37 is: 8,633.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.84 : 15,582.72 = 6,256.37 : x
  2. Step 2: Convert to fraction form
    11,291.84/15,582.72 = 6,256.37/x
  3. Step 3: Cross multiply
    11,291.84x = 15,582.72 × 6,256.37
  4. Step 4: Simplify right side
    11,291.84x = 97,491,261.93
  5. Step 5: Solve for x
    x = 97,491,261.93/11,291.84
  6. Step 6: Final answer
    x = 8,633.78

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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.