Home / 12,236.32-18,364.56-5,309.92

Finding the Fourth Proportional to 12,236.32, 18,364.56 and 5,309.92

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Solution

The fourth proportional to 12,236.32, 18,364.56 and 5,309.92 is: 7,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.32 : 18,364.56 = 5,309.92 : x
  2. Step 2: Convert to fraction form
    12,236.32/18,364.56 = 5,309.92/x
  3. Step 3: Cross multiply
    12,236.32x = 18,364.56 × 5,309.92
  4. Step 4: Simplify right side
    12,236.32x = 97,514,344.44
  5. Step 5: Solve for x
    x = 97,514,344.44/12,236.32
  6. Step 6: Final answer
    x = 7,969.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.