Home / 9,480.84-14,221.44-2,555.16

Finding the Fourth Proportional to 9,480.84, 14,221.44 and 2,555.16

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Solution

The fourth proportional to 9,480.84, 14,221.44 and 2,555.16 is: 3,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480.84 : 14,221.44 = 2,555.16 : x
  2. Step 2: Convert to fraction form
    9,480.84/14,221.44 = 2,555.16/x
  3. Step 3: Cross multiply
    9,480.84x = 14,221.44 × 2,555.16
  4. Step 4: Simplify right side
    9,480.84x = 36,338,054.63
  5. Step 5: Solve for x
    x = 36,338,054.63/9,480.84
  6. Step 6: Final answer
    x = 3,832.79

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Double scale
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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.