Home / 14,956.26-20,639.64-8,672.28

Finding the Fourth Proportional to 14,956.26, 20,639.64 and 8,672.28

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Solution

The fourth proportional to 14,956.26, 20,639.64 and 8,672.28 is: 11,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.26 : 20,639.64 = 8,672.28 : x
  2. Step 2: Convert to fraction form
    14,956.26/20,639.64 = 8,672.28/x
  3. Step 3: Cross multiply
    14,956.26x = 20,639.64 × 8,672.28
  4. Step 4: Simplify right side
    14,956.26x = 178,992,737.18
  5. Step 5: Solve for x
    x = 178,992,737.18/14,956.26
  6. Step 6: Final answer
    x = 11,967.75

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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.