Home / 11,118.21-16,677.32-7,677.33

Finding the Fourth Proportional to 11,118.21, 16,677.32 and 7,677.33

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Solution

The fourth proportional to 11,118.21, 16,677.32 and 7,677.33 is: 11,516.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.21 : 16,677.32 = 7,677.33 : x
  2. Step 2: Convert to fraction form
    11,118.21/16,677.32 = 7,677.33/x
  3. Step 3: Cross multiply
    11,118.21x = 16,677.32 × 7,677.33
  4. Step 4: Simplify right side
    11,118.21x = 128,037,250.77
  5. Step 5: Solve for x
    x = 128,037,250.77/11,118.21
  6. Step 6: Final answer
    x = 11,516.00

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.