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Finding the Fourth Proportional to 8,989.75, 13,484.61 and 6,923.02

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Solution

The fourth proportional to 8,989.75, 13,484.61 and 6,923.02 is: 10,384.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.75 : 13,484.61 = 6,923.02 : x
  2. Step 2: Convert to fraction form
    8,989.75/13,484.61 = 6,923.02/x
  3. Step 3: Cross multiply
    8,989.75x = 13,484.61 × 6,923.02
  4. Step 4: Simplify right side
    8,989.75x = 93,354,224.72
  5. Step 5: Solve for x
    x = 93,354,224.72/8,989.75
  6. Step 6: Final answer
    x = 10,384.52

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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.