Home / 15,622.56-23,428.31-5,089.73

Finding the Fourth Proportional to 15,622.56, 23,428.31 and 5,089.73

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Solution

The fourth proportional to 15,622.56, 23,428.31 and 5,089.73 is: 7,632.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,622.56 : 23,428.31 = 5,089.73 : x
  2. Step 2: Convert to fraction form
    15,622.56/23,428.31 = 5,089.73/x
  3. Step 3: Cross multiply
    15,622.56x = 23,428.31 × 5,089.73
  4. Step 4: Simplify right side
    15,622.56x = 119,243,629.67
  5. Step 5: Solve for x
    x = 119,243,629.67/15,622.56
  6. Step 6: Final answer
    x = 7,632.78

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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.