Home / 14,612.88-20,166.93-8,325.12

Finding the Fourth Proportional to 14,612.88, 20,166.93 and 8,325.12

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Solution

The fourth proportional to 14,612.88, 20,166.93 and 8,325.12 is: 11,489.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.88 : 20,166.93 = 8,325.12 : x
  2. Step 2: Convert to fraction form
    14,612.88/20,166.93 = 8,325.12/x
  3. Step 3: Cross multiply
    14,612.88x = 20,166.93 × 8,325.12
  4. Step 4: Simplify right side
    14,612.88x = 167,892,112.28
  5. Step 5: Solve for x
    x = 167,892,112.28/14,612.88
  6. Step 6: Final answer
    x = 11,489.32

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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.