Home / 19,120.56-28,676.52-7,270.11

Finding the Fourth Proportional to 19,120.56, 28,676.52 and 7,270.11

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Solution

The fourth proportional to 19,120.56, 28,676.52 and 7,270.11 is: 10,903.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.56 : 28,676.52 = 7,270.11 : x
  2. Step 2: Convert to fraction form
    19,120.56/28,676.52 = 7,270.11/x
  3. Step 3: Cross multiply
    19,120.56x = 28,676.52 × 7,270.11
  4. Step 4: Simplify right side
    19,120.56x = 208,481,275.08
  5. Step 5: Solve for x
    x = 208,481,275.08/19,120.56
  6. Step 6: Final answer
    x = 10,903.51

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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.