Home / 21,771.78-32,653.35-10,673.70

Finding the Fourth Proportional to 21,771.78, 32,653.35 and 10,673.70

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Solution

The fourth proportional to 21,771.78, 32,653.35 and 10,673.70 is: 16,008.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,771.78 : 32,653.35 = 10,673.70 : x
  2. Step 2: Convert to fraction form
    21,771.78/32,653.35 = 10,673.70/x
  3. Step 3: Cross multiply
    21,771.78x = 32,653.35 × 10,673.70
  4. Step 4: Simplify right side
    21,771.78x = 348,532,061.90
  5. Step 5: Solve for x
    x = 348,532,061.90/21,771.78
  6. Step 6: Final answer
    x = 16,008.43

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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.