Home / 11,019.93-15,203.70-7,043.37

Finding the Fourth Proportional to 11,019.93, 15,203.70 and 7,043.37

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Solution

The fourth proportional to 11,019.93, 15,203.70 and 7,043.37 is: 9,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.93 : 15,203.70 = 7,043.37 : x
  2. Step 2: Convert to fraction form
    11,019.93/15,203.70 = 7,043.37/x
  3. Step 3: Cross multiply
    11,019.93x = 15,203.70 × 7,043.37
  4. Step 4: Simplify right side
    11,019.93x = 107,085,284.47
  5. Step 5: Solve for x
    x = 107,085,284.47/11,019.93
  6. Step 6: Final answer
    x = 9,717.42

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1.5x scale

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.