Home / 21,046.92-31,555.74-10,651.56

Finding the Fourth Proportional to 21,046.92, 31,555.74 and 10,651.56

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Solution

The fourth proportional to 21,046.92, 31,555.74 and 10,651.56 is: 15,969.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046.92 : 31,555.74 = 10,651.56 : x
  2. Step 2: Convert to fraction form
    21,046.92/31,555.74 = 10,651.56/x
  3. Step 3: Cross multiply
    21,046.92x = 31,555.74 × 10,651.56
  4. Step 4: Simplify right side
    21,046.92x = 336,117,857.95
  5. Step 5: Solve for x
    x = 336,117,857.95/21,046.92
  6. Step 6: Final answer
    x = 15,969.93

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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.