Home / 9,064.10-13,632.60-8,116.40

Finding the Fourth Proportional to 9,064.10, 13,632.60 and 8,116.40

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Solution

The fourth proportional to 9,064.10, 13,632.60 and 8,116.40 is: 12,207.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,064.10 : 13,632.60 = 8,116.40 : x
  2. Step 2: Convert to fraction form
    9,064.10/13,632.60 = 8,116.40/x
  3. Step 3: Cross multiply
    9,064.10x = 13,632.60 × 8,116.40
  4. Step 4: Simplify right side
    9,064.10x = 110,647,634.64
  5. Step 5: Solve for x
    x = 110,647,634.64/9,064.10
  6. Step 6: Final answer
    x = 12,207.24

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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.