Home / 10,173.69-14,049.32-6,645.33

Finding the Fourth Proportional to 10,173.69, 14,049.32 and 6,645.33

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Solution

The fourth proportional to 10,173.69, 14,049.32 and 6,645.33 is: 9,176.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173.69 : 14,049.32 = 6,645.33 : x
  2. Step 2: Convert to fraction form
    10,173.69/14,049.32 = 6,645.33/x
  3. Step 3: Cross multiply
    10,173.69x = 14,049.32 × 6,645.33
  4. Step 4: Simplify right side
    10,173.69x = 93,362,334.45
  5. Step 5: Solve for x
    x = 93,362,334.45/10,173.69
  6. Step 6: Final answer
    x = 9,176.84

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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.