Home / 13,009.99-19,515.03-3,149.25

Finding the Fourth Proportional to 13,009.99, 19,515.03 and 3,149.25

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Solution

The fourth proportional to 13,009.99, 19,515.03 and 3,149.25 is: 4,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.99 : 19,515.03 = 3,149.25 : x
  2. Step 2: Convert to fraction form
    13,009.99/19,515.03 = 3,149.25/x
  3. Step 3: Cross multiply
    13,009.99x = 19,515.03 × 3,149.25
  4. Step 4: Simplify right side
    13,009.99x = 61,457,671.64
  5. Step 5: Solve for x
    x = 61,457,671.64/13,009.99
  6. Step 6: Final answer
    x = 4,723.88

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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.