Home / 11,203.36-15,444.06-7,169.74

Finding the Fourth Proportional to 11,203.36, 15,444.06 and 7,169.74

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Solution

The fourth proportional to 11,203.36, 15,444.06 and 7,169.74 is: 9,883.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.36 : 15,444.06 = 7,169.74 : x
  2. Step 2: Convert to fraction form
    11,203.36/15,444.06 = 7,169.74/x
  3. Step 3: Cross multiply
    11,203.36x = 15,444.06 × 7,169.74
  4. Step 4: Simplify right side
    11,203.36x = 110,729,894.74
  5. Step 5: Solve for x
    x = 110,729,894.74/11,203.36
  6. Step 6: Final answer
    x = 9,883.63

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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.