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Finding the Fourth Proportional to 9,968.98, 14,953.49 and 2,949.11

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Solution

The fourth proportional to 9,968.98, 14,953.49 and 2,949.11 is: 4,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968.98 : 14,953.49 = 2,949.11 : x
  2. Step 2: Convert to fraction form
    9,968.98/14,953.49 = 2,949.11/x
  3. Step 3: Cross multiply
    9,968.98x = 14,953.49 × 2,949.11
  4. Step 4: Simplify right side
    9,968.98x = 44,099,486.89
  5. Step 5: Solve for x
    x = 44,099,486.89/9,968.98
  6. Step 6: Final answer
    x = 4,423.67

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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.