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Finding the Fourth Proportional to 9,847.61, 14,754.70 and 5,943.81

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Solution

The fourth proportional to 9,847.61, 14,754.70 and 5,943.81 is: 8,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,847.61 : 14,754.70 = 5,943.81 : x
  2. Step 2: Convert to fraction form
    9,847.61/14,754.70 = 5,943.81/x
  3. Step 3: Cross multiply
    9,847.61x = 14,754.70 × 5,943.81
  4. Step 4: Simplify right side
    9,847.61x = 87,699,133.41
  5. Step 5: Solve for x
    x = 87,699,133.41/9,847.61
  6. Step 6: Final answer
    x = 8,905.63

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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.