Home / 13,704.53-18,902.48-9,457.20

Finding the Fourth Proportional to 13,704.53, 18,902.48 and 9,457.20

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Solution

The fourth proportional to 13,704.53, 18,902.48 and 9,457.20 is: 13,044.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704.53 : 18,902.48 = 9,457.20 : x
  2. Step 2: Convert to fraction form
    13,704.53/18,902.48 = 9,457.20/x
  3. Step 3: Cross multiply
    13,704.53x = 18,902.48 × 9,457.20
  4. Step 4: Simplify right side
    13,704.53x = 178,764,486.57
  5. Step 5: Solve for x
    x = 178,764,486.57/13,704.53
  6. Step 6: Final answer
    x = 13,044.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.