Home / 11,322.90-15,625.74-6,287.43

Finding the Fourth Proportional to 11,322.90, 15,625.74 and 6,287.43

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Solution

The fourth proportional to 11,322.90, 15,625.74 and 6,287.43 is: 8,676.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.90 : 15,625.74 = 6,287.43 : x
  2. Step 2: Convert to fraction form
    11,322.90/15,625.74 = 6,287.43/x
  3. Step 3: Cross multiply
    11,322.90x = 15,625.74 × 6,287.43
  4. Step 4: Simplify right side
    11,322.90x = 98,245,828.62
  5. Step 5: Solve for x
    x = 98,245,828.62/11,322.90
  6. Step 6: Final answer
    x = 8,676.74

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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.