Home / 15,462.25-23,162.66-7,647.21

Finding the Fourth Proportional to 15,462.25, 23,162.66 and 7,647.21

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Solution

The fourth proportional to 15,462.25, 23,162.66 and 7,647.21 is: 11,455.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,462.25 : 23,162.66 = 7,647.21 : x
  2. Step 2: Convert to fraction form
    15,462.25/23,162.66 = 7,647.21/x
  3. Step 3: Cross multiply
    15,462.25x = 23,162.66 × 7,647.21
  4. Step 4: Simplify right side
    15,462.25x = 177,129,686.94
  5. Step 5: Solve for x
    x = 177,129,686.94/15,462.25
  6. Step 6: Final answer
    x = 11,455.62

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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.