Home / 9,513.78-14,272.19-2,938.42

Finding the Fourth Proportional to 9,513.78, 14,272.19 and 2,938.42

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Solution

The fourth proportional to 9,513.78, 14,272.19 and 2,938.42 is: 4,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513.78 : 14,272.19 = 2,938.42 : x
  2. Step 2: Convert to fraction form
    9,513.78/14,272.19 = 2,938.42/x
  3. Step 3: Cross multiply
    9,513.78x = 14,272.19 × 2,938.42
  4. Step 4: Simplify right side
    9,513.78x = 41,937,688.54
  5. Step 5: Solve for x
    x = 41,937,688.54/9,513.78
  6. Step 6: Final answer
    x = 4,408.10

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1.5x scale

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.