Home / 12,290.54-18,428.72-6,036.93

Finding the Fourth Proportional to 12,290.54, 18,428.72 and 6,036.93

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Solution

The fourth proportional to 12,290.54, 18,428.72 and 6,036.93 is: 9,051.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290.54 : 18,428.72 = 6,036.93 : x
  2. Step 2: Convert to fraction form
    12,290.54/18,428.72 = 6,036.93/x
  3. Step 3: Cross multiply
    12,290.54x = 18,428.72 × 6,036.93
  4. Step 4: Simplify right side
    12,290.54x = 111,252,862.44
  5. Step 5: Solve for x
    x = 111,252,862.44/12,290.54
  6. Step 6: Final answer
    x = 9,051.91

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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.