Home / 21,671.62-32,448.74-11,261.50

Finding the Fourth Proportional to 21,671.62, 32,448.74 and 11,261.50

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Solution

The fourth proportional to 21,671.62, 32,448.74 and 11,261.50 is: 16,861.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,671.62 : 32,448.74 = 11,261.50 : x
  2. Step 2: Convert to fraction form
    21,671.62/32,448.74 = 11,261.50/x
  3. Step 3: Cross multiply
    21,671.62x = 32,448.74 × 11,261.50
  4. Step 4: Simplify right side
    21,671.62x = 365,421,348.08
  5. Step 5: Solve for x
    x = 365,421,348.08/21,671.62
  6. Step 6: Final answer
    x = 16,861.75

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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.