Home / 8,951.24-12,347.74-8,317.70

Finding the Fourth Proportional to 8,951.24, 12,347.74 and 8,317.70

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Solution

The fourth proportional to 8,951.24, 12,347.74 and 8,317.70 is: 11,473.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.24 : 12,347.74 = 8,317.70 : x
  2. Step 2: Convert to fraction form
    8,951.24/12,347.74 = 8,317.70/x
  3. Step 3: Cross multiply
    8,951.24x = 12,347.74 × 8,317.70
  4. Step 4: Simplify right side
    8,951.24x = 102,704,797.00
  5. Step 5: Solve for x
    x = 102,704,797.00/8,951.24
  6. Step 6: Final answer
    x = 11,473.81

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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.