Home / 21,048.93-29,047.95-11,617.83

Finding the Fourth Proportional to 21,048.93, 29,047.95 and 11,617.83

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Solution

The fourth proportional to 21,048.93, 29,047.95 and 11,617.83 is: 16,032.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.93 : 29,047.95 = 11,617.83 : x
  2. Step 2: Convert to fraction form
    21,048.93/29,047.95 = 11,617.83/x
  3. Step 3: Cross multiply
    21,048.93x = 29,047.95 × 11,617.83
  4. Step 4: Simplify right side
    21,048.93x = 337,474,144.95
  5. Step 5: Solve for x
    x = 337,474,144.95/21,048.93
  6. Step 6: Final answer
    x = 16,032.84

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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.