Home / 21,076.60-31,614.56-6,285.58

Finding the Fourth Proportional to 21,076.60, 31,614.56 and 6,285.58

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Solution

The fourth proportional to 21,076.60, 31,614.56 and 6,285.58 is: 9,428.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,076.60 : 31,614.56 = 6,285.58 : x
  2. Step 2: Convert to fraction form
    21,076.60/31,614.56 = 6,285.58/x
  3. Step 3: Cross multiply
    21,076.60x = 31,614.56 × 6,285.58
  4. Step 4: Simplify right side
    21,076.60x = 198,715,846.04
  5. Step 5: Solve for x
    x = 198,715,846.04/21,076.60
  6. Step 6: Final answer
    x = 9,428.27

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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.