Home / 9,311.40-13,967.10-8,274.60

Finding the Fourth Proportional to 9,311.40, 13,967.10 and 8,274.60

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Solution

The fourth proportional to 9,311.40, 13,967.10 and 8,274.60 is: 12,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.40 : 13,967.10 = 8,274.60 : x
  2. Step 2: Convert to fraction form
    9,311.40/13,967.10 = 8,274.60/x
  3. Step 3: Cross multiply
    9,311.40x = 13,967.10 × 8,274.60
  4. Step 4: Simplify right side
    9,311.40x = 115,572,165.66
  5. Step 5: Solve for x
    x = 115,572,165.66/9,311.40
  6. Step 6: Final answer
    x = 12,411.90

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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.