Home / 14,844.66-20,485.62-8,130.26

Finding the Fourth Proportional to 14,844.66, 20,485.62 and 8,130.26

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Solution

The fourth proportional to 14,844.66, 20,485.62 and 8,130.26 is: 11,219.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,844.66 : 20,485.62 = 8,130.26 : x
  2. Step 2: Convert to fraction form
    14,844.66/20,485.62 = 8,130.26/x
  3. Step 3: Cross multiply
    14,844.66x = 20,485.62 × 8,130.26
  4. Step 4: Simplify right side
    14,844.66x = 166,553,314.43
  5. Step 5: Solve for x
    x = 166,553,314.43/14,844.66
  6. Step 6: Final answer
    x = 11,219.75

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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.