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Finding the Fourth Proportional to 9,650.58, 13,311.81 and 7,000.98

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Solution

The fourth proportional to 9,650.58, 13,311.81 and 7,000.98 is: 9,657.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,650.58 : 13,311.81 = 7,000.98 : x
  2. Step 2: Convert to fraction form
    9,650.58/13,311.81 = 7,000.98/x
  3. Step 3: Cross multiply
    9,650.58x = 13,311.81 × 7,000.98
  4. Step 4: Simplify right side
    9,650.58x = 93,195,715.57
  5. Step 5: Solve for x
    x = 93,195,715.57/9,650.58
  6. Step 6: Final answer
    x = 9,657.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.