Home / 8,626.24-12,939.36-4,008.16

Finding the Fourth Proportional to 8,626.24, 12,939.36 and 4,008.16

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Solution

The fourth proportional to 8,626.24, 12,939.36 and 4,008.16 is: 6,012.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626.24 : 12,939.36 = 4,008.16 : x
  2. Step 2: Convert to fraction form
    8,626.24/12,939.36 = 4,008.16/x
  3. Step 3: Cross multiply
    8,626.24x = 12,939.36 × 4,008.16
  4. Step 4: Simplify right side
    8,626.24x = 51,863,025.18
  5. Step 5: Solve for x
    x = 51,863,025.18/8,626.24
  6. Step 6: Final answer
    x = 6,012.24

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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.