Home / 12,030.05-18,042.77-3,708.81

Finding the Fourth Proportional to 12,030.05, 18,042.77 and 3,708.81

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Solution

The fourth proportional to 12,030.05, 18,042.77 and 3,708.81 is: 5,562.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.05 : 18,042.77 = 3,708.81 : x
  2. Step 2: Convert to fraction form
    12,030.05/18,042.77 = 3,708.81/x
  3. Step 3: Cross multiply
    12,030.05x = 18,042.77 × 3,708.81
  4. Step 4: Simplify right side
    12,030.05x = 66,917,215.08
  5. Step 5: Solve for x
    x = 66,917,215.08/12,030.05
  6. Step 6: Final answer
    x = 5,562.50

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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.