Home / 11,989.04-17,970.60-6,144.08

Finding the Fourth Proportional to 11,989.04, 17,970.60 and 6,144.08

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Solution

The fourth proportional to 11,989.04, 17,970.60 and 6,144.08 is: 9,209.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.04 : 17,970.60 = 6,144.08 : x
  2. Step 2: Convert to fraction form
    11,989.04/17,970.60 = 6,144.08/x
  3. Step 3: Cross multiply
    11,989.04x = 17,970.60 × 6,144.08
  4. Step 4: Simplify right side
    11,989.04x = 110,412,804.05
  5. Step 5: Solve for x
    x = 110,412,804.05/11,989.04
  6. Step 6: Final answer
    x = 9,209.48

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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.