Home / 14,031.98-21,047.92-3,643.73

Finding the Fourth Proportional to 14,031.98, 21,047.92 and 3,643.73

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Solution

The fourth proportional to 14,031.98, 21,047.92 and 3,643.73 is: 5,465.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.98 : 21,047.92 = 3,643.73 : x
  2. Step 2: Convert to fraction form
    14,031.98/21,047.92 = 3,643.73/x
  3. Step 3: Cross multiply
    14,031.98x = 21,047.92 × 3,643.73
  4. Step 4: Simplify right side
    14,031.98x = 76,692,902.12
  5. Step 5: Solve for x
    x = 76,692,902.12/14,031.98
  6. Step 6: Final answer
    x = 5,465.58

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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.