Home / 18,254.92-27,386.66-7,725.88

Finding the Fourth Proportional to 18,254.92, 27,386.66 and 7,725.88

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Solution

The fourth proportional to 18,254.92, 27,386.66 and 7,725.88 is: 11,590.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.92 : 27,386.66 = 7,725.88 : x
  2. Step 2: Convert to fraction form
    18,254.92/27,386.66 = 7,725.88/x
  3. Step 3: Cross multiply
    18,254.92x = 27,386.66 × 7,725.88
  4. Step 4: Simplify right side
    18,254.92x = 211,586,048.76
  5. Step 5: Solve for x
    x = 211,586,048.76/18,254.92
  6. Step 6: Final answer
    x = 11,590.63

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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.