Home / 21,283.21-31,924.83-6,491.34

Finding the Fourth Proportional to 21,283.21, 31,924.83 and 6,491.34

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Solution

The fourth proportional to 21,283.21, 31,924.83 and 6,491.34 is: 9,737.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,283.21 : 31,924.83 = 6,491.34 : x
  2. Step 2: Convert to fraction form
    21,283.21/31,924.83 = 6,491.34/x
  3. Step 3: Cross multiply
    21,283.21x = 31,924.83 × 6,491.34
  4. Step 4: Simplify right side
    21,283.21x = 207,234,950.31
  5. Step 5: Solve for x
    x = 207,234,950.31/21,283.21
  6. Step 6: Final answer
    x = 9,737.02

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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.