Home / 14,006.88-21,010.32-3,618.63

Finding the Fourth Proportional to 14,006.88, 21,010.32 and 3,618.63

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Solution

The fourth proportional to 14,006.88, 21,010.32 and 3,618.63 is: 5,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.88 : 21,010.32 = 3,618.63 : x
  2. Step 2: Convert to fraction form
    14,006.88/21,010.32 = 3,618.63/x
  3. Step 3: Cross multiply
    14,006.88x = 21,010.32 × 3,618.63
  4. Step 4: Simplify right side
    14,006.88x = 76,028,574.26
  5. Step 5: Solve for x
    x = 76,028,574.26/14,006.88
  6. Step 6: Final answer
    x = 5,427.95

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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.