Home / 8,704.36-13,056.54-5,012.20

Finding the Fourth Proportional to 8,704.36, 13,056.54 and 5,012.20

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Solution

The fourth proportional to 8,704.36, 13,056.54 and 5,012.20 is: 7,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.36 : 13,056.54 = 5,012.20 : x
  2. Step 2: Convert to fraction form
    8,704.36/13,056.54 = 5,012.20/x
  3. Step 3: Cross multiply
    8,704.36x = 13,056.54 × 5,012.20
  4. Step 4: Simplify right side
    8,704.36x = 65,441,989.79
  5. Step 5: Solve for x
    x = 65,441,989.79/8,704.36
  6. Step 6: Final answer
    x = 7,518.30

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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.