Home / 11,740.66-16,202.01-6,435.47

Finding the Fourth Proportional to 11,740.66, 16,202.01 and 6,435.47

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Solution

The fourth proportional to 11,740.66, 16,202.01 and 6,435.47 is: 8,880.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740.66 : 16,202.01 = 6,435.47 : x
  2. Step 2: Convert to fraction form
    11,740.66/16,202.01 = 6,435.47/x
  3. Step 3: Cross multiply
    11,740.66x = 16,202.01 × 6,435.47
  4. Step 4: Simplify right side
    11,740.66x = 104,267,486.60
  5. Step 5: Solve for x
    x = 104,267,486.60/11,740.66
  6. Step 6: Final answer
    x = 8,880.89

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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.