Home / 9,961.45-14,938.72-4,418.68

Finding the Fourth Proportional to 9,961.45, 14,938.72 and 4,418.68

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Solution

The fourth proportional to 9,961.45, 14,938.72 and 4,418.68 is: 6,626.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.45 : 14,938.72 = 4,418.68 : x
  2. Step 2: Convert to fraction form
    9,961.45/14,938.72 = 4,418.68/x
  3. Step 3: Cross multiply
    9,961.45x = 14,938.72 × 4,418.68
  4. Step 4: Simplify right side
    9,961.45x = 66,009,423.29
  5. Step 5: Solve for x
    x = 66,009,423.29/9,961.45
  6. Step 6: Final answer
    x = 6,626.49

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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.