Home / 21,766.73-30,029.13-14,210.44

Finding the Fourth Proportional to 21,766.73, 30,029.13 and 14,210.44

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Solution

The fourth proportional to 21,766.73, 30,029.13 and 14,210.44 is: 19,604.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766.73 : 30,029.13 = 14,210.44 : x
  2. Step 2: Convert to fraction form
    21,766.73/30,029.13 = 14,210.44/x
  3. Step 3: Cross multiply
    21,766.73x = 30,029.13 × 14,210.44
  4. Step 4: Simplify right side
    21,766.73x = 426,727,075.04
  5. Step 5: Solve for x
    x = 426,727,075.04/21,766.73
  6. Step 6: Final answer
    x = 19,604.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.