Home / 11,852.95-17,781.90-3,955.15

Finding the Fourth Proportional to 11,852.95, 17,781.90 and 3,955.15

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Solution

The fourth proportional to 11,852.95, 17,781.90 and 3,955.15 is: 5,933.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.95 : 17,781.90 = 3,955.15 : x
  2. Step 2: Convert to fraction form
    11,852.95/17,781.90 = 3,955.15/x
  3. Step 3: Cross multiply
    11,852.95x = 17,781.90 × 3,955.15
  4. Step 4: Simplify right side
    11,852.95x = 70,330,081.79
  5. Step 5: Solve for x
    x = 70,330,081.79/11,852.95
  6. Step 6: Final answer
    x = 5,933.55

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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.