Home / 9,334.16-12,876.80-5,555.21

Finding the Fourth Proportional to 9,334.16, 12,876.80 and 5,555.21

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Solution

The fourth proportional to 9,334.16, 12,876.80 and 5,555.21 is: 7,663.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.16 : 12,876.80 = 5,555.21 : x
  2. Step 2: Convert to fraction form
    9,334.16/12,876.80 = 5,555.21/x
  3. Step 3: Cross multiply
    9,334.16x = 12,876.80 × 5,555.21
  4. Step 4: Simplify right side
    9,334.16x = 71,533,328.13
  5. Step 5: Solve for x
    x = 71,533,328.13/9,334.16
  6. Step 6: Final answer
    x = 7,663.61

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Half scale
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Double scale
Find fourth proportional to 9,335.16, 12,878.18 and 5,556.21
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.