Home / 14,956.56-20,639.28-8,670.96

Finding the Fourth Proportional to 14,956.56, 20,639.28 and 8,670.96

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Solution

The fourth proportional to 14,956.56, 20,639.28 and 8,670.96 is: 11,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.56 : 20,639.28 = 8,670.96 : x
  2. Step 2: Convert to fraction form
    14,956.56/20,639.28 = 8,670.96/x
  3. Step 3: Cross multiply
    14,956.56x = 20,639.28 × 8,670.96
  4. Step 4: Simplify right side
    14,956.56x = 178,962,371.31
  5. Step 5: Solve for x
    x = 178,962,371.31/14,956.56
  6. Step 6: Final answer
    x = 11,965.48

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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.