Home / 9,804.38-13,529.87-5,328.15

Finding the Fourth Proportional to 9,804.38, 13,529.87 and 5,328.15

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Solution

The fourth proportional to 9,804.38, 13,529.87 and 5,328.15 is: 7,352.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,804.38 : 13,529.87 = 5,328.15 : x
  2. Step 2: Convert to fraction form
    9,804.38/13,529.87 = 5,328.15/x
  3. Step 3: Cross multiply
    9,804.38x = 13,529.87 × 5,328.15
  4. Step 4: Simplify right side
    9,804.38x = 72,089,129.70
  5. Step 5: Solve for x
    x = 72,089,129.70/9,804.38
  6. Step 6: Final answer
    x = 7,352.75

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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.