Home / 12,088.89-16,682.90-6,783.39

Finding the Fourth Proportional to 12,088.89, 16,682.90 and 6,783.39

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Solution

The fourth proportional to 12,088.89, 16,682.90 and 6,783.39 is: 9,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.89 : 16,682.90 = 6,783.39 : x
  2. Step 2: Convert to fraction form
    12,088.89/16,682.90 = 6,783.39/x
  3. Step 3: Cross multiply
    12,088.89x = 16,682.90 × 6,783.39
  4. Step 4: Simplify right side
    12,088.89x = 113,166,583.11
  5. Step 5: Solve for x
    x = 113,166,583.11/12,088.89
  6. Step 6: Final answer
    x = 9,361.21

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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.