Home / 21,558.64-32,337.96-6,768.70

Finding the Fourth Proportional to 21,558.64, 32,337.96 and 6,768.70

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Solution

The fourth proportional to 21,558.64, 32,337.96 and 6,768.70 is: 10,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,558.64 : 32,337.96 = 6,768.70 : x
  2. Step 2: Convert to fraction form
    21,558.64/32,337.96 = 6,768.70/x
  3. Step 3: Cross multiply
    21,558.64x = 32,337.96 × 6,768.70
  4. Step 4: Simplify right side
    21,558.64x = 218,885,949.85
  5. Step 5: Solve for x
    x = 218,885,949.85/21,558.64
  6. Step 6: Final answer
    x = 10,153.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.