Home / 15,728.56-23,558.81-7,396.09

Finding the Fourth Proportional to 15,728.56, 23,558.81 and 7,396.09

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Solution

The fourth proportional to 15,728.56, 23,558.81 and 7,396.09 is: 11,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,728.56 : 23,558.81 = 7,396.09 : x
  2. Step 2: Convert to fraction form
    15,728.56/23,558.81 = 7,396.09/x
  3. Step 3: Cross multiply
    15,728.56x = 23,558.81 × 7,396.09
  4. Step 4: Simplify right side
    15,728.56x = 174,243,079.05
  5. Step 5: Solve for x
    x = 174,243,079.05/15,728.56
  6. Step 6: Final answer
    x = 11,078.13

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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.