Home / 15,020.37-22,530.31-4,490.42

Finding the Fourth Proportional to 15,020.37, 22,530.31 and 4,490.42

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Solution

The fourth proportional to 15,020.37, 22,530.31 and 4,490.42 is: 6,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,020.37 : 22,530.31 = 4,490.42 : x
  2. Step 2: Convert to fraction form
    15,020.37/22,530.31 = 4,490.42/x
  3. Step 3: Cross multiply
    15,020.37x = 22,530.31 × 4,490.42
  4. Step 4: Simplify right side
    15,020.37x = 101,170,430.75
  5. Step 5: Solve for x
    x = 101,170,430.75/15,020.37
  6. Step 6: Final answer
    x = 6,735.55

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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.