Home / 9,955.35-14,928.77-3,378.56

Finding the Fourth Proportional to 9,955.35, 14,928.77 and 3,378.56

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Solution

The fourth proportional to 9,955.35, 14,928.77 and 3,378.56 is: 5,066.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,955.35 : 14,928.77 = 3,378.56 : x
  2. Step 2: Convert to fraction form
    9,955.35/14,928.77 = 3,378.56/x
  3. Step 3: Cross multiply
    9,955.35x = 14,928.77 × 3,378.56
  4. Step 4: Simplify right side
    9,955.35x = 50,437,678.97
  5. Step 5: Solve for x
    x = 50,437,678.97/9,955.35
  6. Step 6: Final answer
    x = 5,066.39

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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.