Home / 11,064.95-15,273.56-9,883.97

Finding the Fourth Proportional to 11,064.95, 15,273.56 and 9,883.97

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Solution

The fourth proportional to 11,064.95, 15,273.56 and 9,883.97 is: 13,643.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,064.95 : 15,273.56 = 9,883.97 : x
  2. Step 2: Convert to fraction form
    11,064.95/15,273.56 = 9,883.97/x
  3. Step 3: Cross multiply
    11,064.95x = 15,273.56 × 9,883.97
  4. Step 4: Simplify right side
    11,064.95x = 150,963,408.83
  5. Step 5: Solve for x
    x = 150,963,408.83/11,064.95
  6. Step 6: Final answer
    x = 13,643.39

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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.