Home / 12,051.84-18,071.28-3,729.36

Finding the Fourth Proportional to 12,051.84, 18,071.28 and 3,729.36

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Solution

The fourth proportional to 12,051.84, 18,071.28 and 3,729.36 is: 5,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.84 : 18,071.28 = 3,729.36 : x
  2. Step 2: Convert to fraction form
    12,051.84/18,071.28 = 3,729.36/x
  3. Step 3: Cross multiply
    12,051.84x = 18,071.28 × 3,729.36
  4. Step 4: Simplify right side
    12,051.84x = 67,394,308.78
  5. Step 5: Solve for x
    x = 67,394,308.78/12,051.84
  6. Step 6: Final answer
    x = 5,592.03

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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.