Home / 13,237.12-19,859.84-5,449.60

Finding the Fourth Proportional to 13,237.12, 19,859.84 and 5,449.60

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Solution

The fourth proportional to 13,237.12, 19,859.84 and 5,449.60 is: 8,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.12 : 19,859.84 = 5,449.60 : x
  2. Step 2: Convert to fraction form
    13,237.12/19,859.84 = 5,449.60/x
  3. Step 3: Cross multiply
    13,237.12x = 19,859.84 × 5,449.60
  4. Step 4: Simplify right side
    13,237.12x = 108,228,184.06
  5. Step 5: Solve for x
    x = 108,228,184.06/13,237.12
  6. Step 6: Final answer
    x = 8,176.11

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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.