Home / 13,225.75-18,119.48-12,727.60

Finding the Fourth Proportional to 13,225.75, 18,119.48 and 12,727.60

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Solution

The fourth proportional to 13,225.75, 18,119.48 and 12,727.60 is: 17,437.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.75 : 18,119.48 = 12,727.60 : x
  2. Step 2: Convert to fraction form
    13,225.75/18,119.48 = 12,727.60/x
  3. Step 3: Cross multiply
    13,225.75x = 18,119.48 × 12,727.60
  4. Step 4: Simplify right side
    13,225.75x = 230,617,493.65
  5. Step 5: Solve for x
    x = 230,617,493.65/13,225.75
  6. Step 6: Final answer
    x = 17,437.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.