Home / 19,691.98-29,528.21-6,539.94

Finding the Fourth Proportional to 19,691.98, 29,528.21 and 6,539.94

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Solution

The fourth proportional to 19,691.98, 29,528.21 and 6,539.94 is: 9,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691.98 : 29,528.21 = 6,539.94 : x
  2. Step 2: Convert to fraction form
    19,691.98/29,528.21 = 6,539.94/x
  3. Step 3: Cross multiply
    19,691.98x = 29,528.21 × 6,539.94
  4. Step 4: Simplify right side
    19,691.98x = 193,112,738.06
  5. Step 5: Solve for x
    x = 193,112,738.06/19,691.98
  6. Step 6: Final answer
    x = 9,806.67

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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.