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Finding the Fourth Proportional to 8,676.19, 11,973.14 and 4,950.19

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Solution

The fourth proportional to 8,676.19, 11,973.14 and 4,950.19 is: 6,831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.19 : 11,973.14 = 4,950.19 : x
  2. Step 2: Convert to fraction form
    8,676.19/11,973.14 = 4,950.19/x
  3. Step 3: Cross multiply
    8,676.19x = 11,973.14 × 4,950.19
  4. Step 4: Simplify right side
    8,676.19x = 59,269,300.34
  5. Step 5: Solve for x
    x = 59,269,300.34/8,676.19
  6. Step 6: Final answer
    x = 6,831.26

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Half scale
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Double scale
Find fourth proportional to 8,677.19, 11,974.52 and 4,951.19
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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.