Home / 18,386.46-27,575.52-5,238.54

Finding the Fourth Proportional to 18,386.46, 27,575.52 and 5,238.54

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Solution

The fourth proportional to 18,386.46, 27,575.52 and 5,238.54 is: 7,856.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386.46 : 27,575.52 = 5,238.54 : x
  2. Step 2: Convert to fraction form
    18,386.46/27,575.52 = 5,238.54/x
  3. Step 3: Cross multiply
    18,386.46x = 27,575.52 × 5,238.54
  4. Step 4: Simplify right side
    18,386.46x = 144,455,464.54
  5. Step 5: Solve for x
    x = 144,455,464.54/18,386.46
  6. Step 6: Final answer
    x = 7,856.62

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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.