Home / 11,342.27-15,647.23-6,623.75

Finding the Fourth Proportional to 11,342.27, 15,647.23 and 6,623.75

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Solution

The fourth proportional to 11,342.27, 15,647.23 and 6,623.75 is: 9,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.27 : 15,647.23 = 6,623.75 : x
  2. Step 2: Convert to fraction form
    11,342.27/15,647.23 = 6,623.75/x
  3. Step 3: Cross multiply
    11,342.27x = 15,647.23 × 6,623.75
  4. Step 4: Simplify right side
    11,342.27x = 103,643,339.71
  5. Step 5: Solve for x
    x = 103,643,339.71/11,342.27
  6. Step 6: Final answer
    x = 9,137.80

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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.