Home / 18,604.36-27,909.56-6,120.76

Finding the Fourth Proportional to 18,604.36, 27,909.56 and 6,120.76

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Solution

The fourth proportional to 18,604.36, 27,909.56 and 6,120.76 is: 9,182.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.36 : 27,909.56 = 6,120.76 : x
  2. Step 2: Convert to fraction form
    18,604.36/27,909.56 = 6,120.76/x
  3. Step 3: Cross multiply
    18,604.36x = 27,909.56 × 6,120.76
  4. Step 4: Simplify right side
    18,604.36x = 170,827,718.47
  5. Step 5: Solve for x
    x = 170,827,718.47/18,604.36
  6. Step 6: Final answer
    x = 9,182.13

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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.