Home / 9,478.19-13,074.94-7,236.18

Finding the Fourth Proportional to 9,478.19, 13,074.94 and 7,236.18

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Solution

The fourth proportional to 9,478.19, 13,074.94 and 7,236.18 is: 9,982.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.19 : 13,074.94 = 7,236.18 : x
  2. Step 2: Convert to fraction form
    9,478.19/13,074.94 = 7,236.18/x
  3. Step 3: Cross multiply
    9,478.19x = 13,074.94 × 7,236.18
  4. Step 4: Simplify right side
    9,478.19x = 94,612,619.33
  5. Step 5: Solve for x
    x = 94,612,619.33/9,478.19
  6. Step 6: Final answer
    x = 9,982.14

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Half scale
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Double scale
Find fourth proportional to 9,479.19, 13,076.32 and 7,237.18
Similar ratio
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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.