Home / 11,329.86-16,975.58-6,938.13

Finding the Fourth Proportional to 11,329.86, 16,975.58 and 6,938.13

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Solution

The fourth proportional to 11,329.86, 16,975.58 and 6,938.13 is: 10,395.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.86 : 16,975.58 = 6,938.13 : x
  2. Step 2: Convert to fraction form
    11,329.86/16,975.58 = 6,938.13/x
  3. Step 3: Cross multiply
    11,329.86x = 16,975.58 × 6,938.13
  4. Step 4: Simplify right side
    11,329.86x = 117,778,746.17
  5. Step 5: Solve for x
    x = 117,778,746.17/11,329.86
  6. Step 6: Final answer
    x = 10,395.43

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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.