Home / 12,089.36-16,683.26-6,784.19

Finding the Fourth Proportional to 12,089.36, 16,683.26 and 6,784.19

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Solution

The fourth proportional to 12,089.36, 16,683.26 and 6,784.19 is: 9,362.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.36 : 16,683.26 = 6,784.19 : x
  2. Step 2: Convert to fraction form
    12,089.36/16,683.26 = 6,784.19/x
  3. Step 3: Cross multiply
    12,089.36x = 16,683.26 × 6,784.19
  4. Step 4: Simplify right side
    12,089.36x = 113,182,288.32
  5. Step 5: Solve for x
    x = 113,182,288.32/12,089.36
  6. Step 6: Final answer
    x = 9,362.14

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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.