Home / 12,066.36-18,088.39-8,370.33

Finding the Fourth Proportional to 12,066.36, 18,088.39 and 8,370.33

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Solution

The fourth proportional to 12,066.36, 18,088.39 and 8,370.33 is: 12,547.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.36 : 18,088.39 = 8,370.33 : x
  2. Step 2: Convert to fraction form
    12,066.36/18,088.39 = 8,370.33/x
  3. Step 3: Cross multiply
    12,066.36x = 18,088.39 × 8,370.33
  4. Step 4: Simplify right side
    12,066.36x = 151,405,793.47
  5. Step 5: Solve for x
    x = 151,405,793.47/12,066.36
  6. Step 6: Final answer
    x = 12,547.76

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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.