Home / 19,680.98-29,505.03-9,806.67

Finding the Fourth Proportional to 19,680.98, 29,505.03 and 9,806.67

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Solution

The fourth proportional to 19,680.98, 29,505.03 and 9,806.67 is: 14,701.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,680.98 : 29,505.03 = 9,806.67 : x
  2. Step 2: Convert to fraction form
    19,680.98/29,505.03 = 9,806.67/x
  3. Step 3: Cross multiply
    19,680.98x = 29,505.03 × 9,806.67
  4. Step 4: Simplify right side
    19,680.98x = 289,346,092.55
  5. Step 5: Solve for x
    x = 289,346,092.55/19,680.98
  6. Step 6: Final answer
    x = 14,701.82

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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.