Home / 9,511.46-13,130.39-6,330.05

Finding the Fourth Proportional to 9,511.46, 13,130.39 and 6,330.05

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Solution

The fourth proportional to 9,511.46, 13,130.39 and 6,330.05 is: 8,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.46 : 13,130.39 = 6,330.05 : x
  2. Step 2: Convert to fraction form
    9,511.46/13,130.39 = 6,330.05/x
  3. Step 3: Cross multiply
    9,511.46x = 13,130.39 × 6,330.05
  4. Step 4: Simplify right side
    9,511.46x = 83,116,049.25
  5. Step 5: Solve for x
    x = 83,116,049.25/9,511.46
  6. Step 6: Final answer
    x = 8,738.52

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Half scale
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Double scale
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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.