Home / 11,852.95-17,780.44-3,087.86

Finding the Fourth Proportional to 11,852.95, 17,780.44 and 3,087.86

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Solution

The fourth proportional to 11,852.95, 17,780.44 and 3,087.86 is: 4,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.95 : 17,780.44 = 3,087.86 : x
  2. Step 2: Convert to fraction form
    11,852.95/17,780.44 = 3,087.86/x
  3. Step 3: Cross multiply
    11,852.95x = 17,780.44 × 3,087.86
  4. Step 4: Simplify right side
    11,852.95x = 54,903,509.46
  5. Step 5: Solve for x
    x = 54,903,509.46/11,852.95
  6. Step 6: Final answer
    x = 4,632.05

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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.