Home / 11,329.85-16,975.59-6,938.13

Finding the Fourth Proportional to 11,329.85, 16,975.59 and 6,938.13

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Solution

The fourth proportional to 11,329.85, 16,975.59 and 6,938.13 is: 10,395.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.85 : 16,975.59 = 6,938.13 : x
  2. Step 2: Convert to fraction form
    11,329.85/16,975.59 = 6,938.13/x
  3. Step 3: Cross multiply
    11,329.85x = 16,975.59 × 6,938.13
  4. Step 4: Simplify right side
    11,329.85x = 117,778,850.25
  5. Step 5: Solve for x
    x = 117,778,850.25/11,329.85
  6. Step 6: Final answer
    x = 10,395.45

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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.