Home / 14,926.96-20,599.20-8,639.20

Finding the Fourth Proportional to 14,926.96, 20,599.20 and 8,639.20

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Solution

The fourth proportional to 14,926.96, 20,599.20 and 8,639.20 is: 11,922.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,926.96 : 20,599.20 = 8,639.20 : x
  2. Step 2: Convert to fraction form
    14,926.96/20,599.20 = 8,639.20/x
  3. Step 3: Cross multiply
    14,926.96x = 20,599.20 × 8,639.20
  4. Step 4: Simplify right side
    14,926.96x = 177,960,608.64
  5. Step 5: Solve for x
    x = 177,960,608.64/14,926.96
  6. Step 6: Final answer
    x = 11,922.09

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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.