Home / 14,722.64-20,311.80-8,754.56

Finding the Fourth Proportional to 14,722.64, 20,311.80 and 8,754.56

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Solution

The fourth proportional to 14,722.64, 20,311.80 and 8,754.56 is: 12,078.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.64 : 20,311.80 = 8,754.56 : x
  2. Step 2: Convert to fraction form
    14,722.64/20,311.80 = 8,754.56/x
  3. Step 3: Cross multiply
    14,722.64x = 20,311.80 × 8,754.56
  4. Step 4: Simplify right side
    14,722.64x = 177,820,871.81
  5. Step 5: Solve for x
    x = 177,820,871.81/14,722.64
  6. Step 6: Final answer
    x = 12,078.06

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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.