Home / 16,279.44-22,465.26-9,109.32

Finding the Fourth Proportional to 16,279.44, 22,465.26 and 9,109.32

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Solution

The fourth proportional to 16,279.44, 22,465.26 and 9,109.32 is: 12,570.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,279.44 : 22,465.26 = 9,109.32 : x
  2. Step 2: Convert to fraction form
    16,279.44/22,465.26 = 9,109.32/x
  3. Step 3: Cross multiply
    16,279.44x = 22,465.26 × 9,109.32
  4. Step 4: Simplify right side
    16,279.44x = 204,643,242.22
  5. Step 5: Solve for x
    x = 204,643,242.22/16,279.44
  6. Step 6: Final answer
    x = 12,570.66

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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.