Home / 13,383.35-20,075.35-4,498.81

Finding the Fourth Proportional to 13,383.35, 20,075.35 and 4,498.81

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Solution

The fourth proportional to 13,383.35, 20,075.35 and 4,498.81 is: 6,748.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.35 : 20,075.35 = 4,498.81 : x
  2. Step 2: Convert to fraction form
    13,383.35/20,075.35 = 4,498.81/x
  3. Step 3: Cross multiply
    13,383.35x = 20,075.35 × 4,498.81
  4. Step 4: Simplify right side
    13,383.35x = 90,315,185.33
  5. Step 5: Solve for x
    x = 90,315,185.33/13,383.35
  6. Step 6: Final answer
    x = 6,748.32

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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.