Home / 9,963.78-14,945.61-3,038.28

Finding the Fourth Proportional to 9,963.78, 14,945.61 and 3,038.28

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Solution

The fourth proportional to 9,963.78, 14,945.61 and 3,038.28 is: 4,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.78 : 14,945.61 = 3,038.28 : x
  2. Step 2: Convert to fraction form
    9,963.78/14,945.61 = 3,038.28/x
  3. Step 3: Cross multiply
    9,963.78x = 14,945.61 × 3,038.28
  4. Step 4: Simplify right side
    9,963.78x = 45,408,947.95
  5. Step 5: Solve for x
    x = 45,408,947.95/9,963.78
  6. Step 6: Final answer
    x = 4,557.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.