Home / 14,004.31-21,006.47-3,615.25

Finding the Fourth Proportional to 14,004.31, 21,006.47 and 3,615.25

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Solution

The fourth proportional to 14,004.31, 21,006.47 and 3,615.25 is: 5,422.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.31 : 21,006.47 = 3,615.25 : x
  2. Step 2: Convert to fraction form
    14,004.31/21,006.47 = 3,615.25/x
  3. Step 3: Cross multiply
    14,004.31x = 21,006.47 × 3,615.25
  4. Step 4: Simplify right side
    14,004.31x = 75,943,640.67
  5. Step 5: Solve for x
    x = 75,943,640.67/14,004.31
  6. Step 6: Final answer
    x = 5,422.88

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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.