Home / 12,027.25-18,038.40-4,629.16

Finding the Fourth Proportional to 12,027.25, 18,038.40 and 4,629.16

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Solution

The fourth proportional to 12,027.25, 18,038.40 and 4,629.16 is: 6,942.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027.25 : 18,038.40 = 4,629.16 : x
  2. Step 2: Convert to fraction form
    12,027.25/18,038.40 = 4,629.16/x
  3. Step 3: Cross multiply
    12,027.25x = 18,038.40 × 4,629.16
  4. Step 4: Simplify right side
    12,027.25x = 83,502,639.74
  5. Step 5: Solve for x
    x = 83,502,639.74/12,027.25
  6. Step 6: Final answer
    x = 6,942.79

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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.