Home / 21,943.40-32,915.10-10,845.80

Finding the Fourth Proportional to 21,943.40, 32,915.10 and 10,845.80

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Solution

The fourth proportional to 21,943.40, 32,915.10 and 10,845.80 is: 16,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,943.40 : 32,915.10 = 10,845.80 : x
  2. Step 2: Convert to fraction form
    21,943.40/32,915.10 = 10,845.80/x
  3. Step 3: Cross multiply
    21,943.40x = 32,915.10 × 10,845.80
  4. Step 4: Simplify right side
    21,943.40x = 356,990,591.58
  5. Step 5: Solve for x
    x = 356,990,591.58/21,943.40
  6. Step 6: Final answer
    x = 16,268.70

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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.