Home / 13,195.74-19,796.48-4,430.42

Finding the Fourth Proportional to 13,195.74, 19,796.48 and 4,430.42

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Solution

The fourth proportional to 13,195.74, 19,796.48 and 4,430.42 is: 6,646.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.74 : 19,796.48 = 4,430.42 : x
  2. Step 2: Convert to fraction form
    13,195.74/19,796.48 = 4,430.42/x
  3. Step 3: Cross multiply
    13,195.74x = 19,796.48 × 4,430.42
  4. Step 4: Simplify right side
    13,195.74x = 87,706,682.51
  5. Step 5: Solve for x
    x = 87,706,682.51/13,195.74
  6. Step 6: Final answer
    x = 6,646.59

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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.