Home / 15,833.07-21,844.08-9,859.79

Finding the Fourth Proportional to 15,833.07, 21,844.08 and 9,859.79

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Solution

The fourth proportional to 15,833.07, 21,844.08 and 9,859.79 is: 13,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,833.07 : 21,844.08 = 9,859.79 : x
  2. Step 2: Convert to fraction form
    15,833.07/21,844.08 = 9,859.79/x
  3. Step 3: Cross multiply
    15,833.07x = 21,844.08 × 9,859.79
  4. Step 4: Simplify right side
    15,833.07x = 215,378,096.15
  5. Step 5: Solve for x
    x = 215,378,096.15/15,833.07
  6. Step 6: Final answer
    x = 13,603.05

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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.