Home / 12,089.49-16,683.48-6,784.80

Finding the Fourth Proportional to 12,089.49, 16,683.48 and 6,784.80

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Solution

The fourth proportional to 12,089.49, 16,683.48 and 6,784.80 is: 9,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.49 : 16,683.48 = 6,784.80 : x
  2. Step 2: Convert to fraction form
    12,089.49/16,683.48 = 6,784.80/x
  3. Step 3: Cross multiply
    12,089.49x = 16,683.48 × 6,784.80
  4. Step 4: Simplify right side
    12,089.49x = 113,194,075.10
  5. Step 5: Solve for x
    x = 113,194,075.10/12,089.49
  6. Step 6: Final answer
    x = 9,363.01

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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.