Home / 12,434.19-18,637.74-6,198.81

Finding the Fourth Proportional to 12,434.19, 18,637.74 and 6,198.81

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Solution

The fourth proportional to 12,434.19, 18,637.74 and 6,198.81 is: 9,291.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.19 : 18,637.74 = 6,198.81 : x
  2. Step 2: Convert to fraction form
    12,434.19/18,637.74 = 6,198.81/x
  3. Step 3: Cross multiply
    12,434.19x = 18,637.74 × 6,198.81
  4. Step 4: Simplify right side
    12,434.19x = 115,531,809.09
  5. Step 5: Solve for x
    x = 115,531,809.09/12,434.19
  6. Step 6: Final answer
    x = 9,291.46

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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.