Home / 12,017.10-18,027.36-3,697.80

Finding the Fourth Proportional to 12,017.10, 18,027.36 and 3,697.80

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Solution

The fourth proportional to 12,017.10, 18,027.36 and 3,697.80 is: 5,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.10 : 18,027.36 = 3,697.80 : x
  2. Step 2: Convert to fraction form
    12,017.10/18,027.36 = 3,697.80/x
  3. Step 3: Cross multiply
    12,017.10x = 18,027.36 × 3,697.80
  4. Step 4: Simplify right side
    12,017.10x = 66,661,571.81
  5. Step 5: Solve for x
    x = 66,661,571.81/12,017.10
  6. Step 6: Final answer
    x = 5,547.23

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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.