Home / 21,264.05-31,900.68-6,472.58

Finding the Fourth Proportional to 21,264.05, 31,900.68 and 6,472.58

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Solution

The fourth proportional to 21,264.05, 31,900.68 and 6,472.58 is: 9,710.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,264.05 : 31,900.68 = 6,472.58 : x
  2. Step 2: Convert to fraction form
    21,264.05/31,900.68 = 6,472.58/x
  3. Step 3: Cross multiply
    21,264.05x = 31,900.68 × 6,472.58
  4. Step 4: Simplify right side
    21,264.05x = 206,479,633.57
  5. Step 5: Solve for x
    x = 206,479,633.57/21,264.05
  6. Step 6: Final answer
    x = 9,710.27

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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.