Home / 11,322.37-15,623.85-6,605.74

Finding the Fourth Proportional to 11,322.37, 15,623.85 and 6,605.74

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Solution

The fourth proportional to 11,322.37, 15,623.85 and 6,605.74 is: 9,115.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.37 : 15,623.85 = 6,605.74 : x
  2. Step 2: Convert to fraction form
    11,322.37/15,623.85 = 6,605.74/x
  3. Step 3: Cross multiply
    11,322.37x = 15,623.85 × 6,605.74
  4. Step 4: Simplify right side
    11,322.37x = 103,207,090.90
  5. Step 5: Solve for x
    x = 103,207,090.90/11,322.37
  6. Step 6: Final answer
    x = 9,115.33

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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.