Home / 9,119.50-13,669.90-6,923.58

Finding the Fourth Proportional to 9,119.50, 13,669.90 and 6,923.58

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Solution

The fourth proportional to 9,119.50, 13,669.90 and 6,923.58 is: 10,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.50 : 13,669.90 = 6,923.58 : x
  2. Step 2: Convert to fraction form
    9,119.50/13,669.90 = 6,923.58/x
  3. Step 3: Cross multiply
    9,119.50x = 13,669.90 × 6,923.58
  4. Step 4: Simplify right side
    9,119.50x = 94,644,646.24
  5. Step 5: Solve for x
    x = 94,644,646.24/9,119.50
  6. Step 6: Final answer
    x = 10,378.27

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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.