Home / 14,844.30-20,485.60-8,130.57

Finding the Fourth Proportional to 14,844.30, 20,485.60 and 8,130.57

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Solution

The fourth proportional to 14,844.30, 20,485.60 and 8,130.57 is: 11,220.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,844.30 : 20,485.60 = 8,130.57 : x
  2. Step 2: Convert to fraction form
    14,844.30/20,485.60 = 8,130.57/x
  3. Step 3: Cross multiply
    14,844.30x = 20,485.60 × 8,130.57
  4. Step 4: Simplify right side
    14,844.30x = 166,559,604.79
  5. Step 5: Solve for x
    x = 166,559,604.79/14,844.30
  6. Step 6: Final answer
    x = 11,220.44

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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.