Home / 13,196.51-19,797.74-4,431.20

Finding the Fourth Proportional to 13,196.51, 19,797.74 and 4,431.20

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Solution

The fourth proportional to 13,196.51, 19,797.74 and 4,431.20 is: 6,647.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196.51 : 19,797.74 = 4,431.20 : x
  2. Step 2: Convert to fraction form
    13,196.51/19,797.74 = 4,431.20/x
  3. Step 3: Cross multiply
    13,196.51x = 19,797.74 × 4,431.20
  4. Step 4: Simplify right side
    13,196.51x = 87,727,624.34
  5. Step 5: Solve for x
    x = 87,727,624.34/13,196.51
  6. Step 6: Final answer
    x = 6,647.79

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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.