Home / 21,961.40-32,963.70-10,880.60

Finding the Fourth Proportional to 21,961.40, 32,963.70 and 10,880.60

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Solution

The fourth proportional to 21,961.40, 32,963.70 and 10,880.60 is: 16,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,961.40 : 32,963.70 = 10,880.60 : x
  2. Step 2: Convert to fraction form
    21,961.40/32,963.70 = 10,880.60/x
  3. Step 3: Cross multiply
    21,961.40x = 32,963.70 × 10,880.60
  4. Step 4: Simplify right side
    21,961.40x = 358,664,834.22
  5. Step 5: Solve for x
    x = 358,664,834.22/21,961.40
  6. Step 6: Final answer
    x = 16,331.60

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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.