Home / 11,868.95-17,804.79-5,294.31

Finding the Fourth Proportional to 11,868.95, 17,804.79 and 5,294.31

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Solution

The fourth proportional to 11,868.95, 17,804.79 and 5,294.31 is: 7,942.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868.95 : 17,804.79 = 5,294.31 : x
  2. Step 2: Convert to fraction form
    11,868.95/17,804.79 = 5,294.31/x
  3. Step 3: Cross multiply
    11,868.95x = 17,804.79 × 5,294.31
  4. Step 4: Simplify right side
    11,868.95x = 94,264,077.74
  5. Step 5: Solve for x
    x = 94,264,077.74/11,868.95
  6. Step 6: Final answer
    x = 7,942.08

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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.