Home / 9,630.33-13,284.93-6,278.76

Finding the Fourth Proportional to 9,630.33, 13,284.93 and 6,278.76

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Solution

The fourth proportional to 9,630.33, 13,284.93 and 6,278.76 is: 8,661.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,630.33 : 13,284.93 = 6,278.76 : x
  2. Step 2: Convert to fraction form
    9,630.33/13,284.93 = 6,278.76/x
  3. Step 3: Cross multiply
    9,630.33x = 13,284.93 × 6,278.76
  4. Step 4: Simplify right side
    9,630.33x = 83,412,887.09
  5. Step 5: Solve for x
    x = 83,412,887.09/9,630.33
  6. Step 6: Final answer
    x = 8,661.48

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Half scale
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Double scale
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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.