Home / 8,983.12-13,466.14-3,138.16

Finding the Fourth Proportional to 8,983.12, 13,466.14 and 3,138.16

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Solution

The fourth proportional to 8,983.12, 13,466.14 and 3,138.16 is: 4,704.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.12 : 13,466.14 = 3,138.16 : x
  2. Step 2: Convert to fraction form
    8,983.12/13,466.14 = 3,138.16/x
  3. Step 3: Cross multiply
    8,983.12x = 13,466.14 × 3,138.16
  4. Step 4: Simplify right side
    8,983.12x = 42,258,901.90
  5. Step 5: Solve for x
    x = 42,258,901.90/8,983.12
  6. Step 6: Final answer
    x = 4,704.26

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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.