Home / 14,847.84-20,490.12-8,133.60

Finding the Fourth Proportional to 14,847.84, 20,490.12 and 8,133.60

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Solution

The fourth proportional to 14,847.84, 20,490.12 and 8,133.60 is: 11,224.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,847.84 : 20,490.12 = 8,133.60 : x
  2. Step 2: Convert to fraction form
    14,847.84/20,490.12 = 8,133.60/x
  3. Step 3: Cross multiply
    14,847.84x = 20,490.12 × 8,133.60
  4. Step 4: Simplify right side
    14,847.84x = 166,658,440.03
  5. Step 5: Solve for x
    x = 166,658,440.03/14,847.84
  6. Step 6: Final answer
    x = 11,224.42

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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.