Home / 20,254.96-30,323.59-11,795.67

Finding the Fourth Proportional to 20,254.96, 30,323.59 and 11,795.67

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Solution

The fourth proportional to 20,254.96, 30,323.59 and 11,795.67 is: 17,659.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.96 : 30,323.59 = 11,795.67 : x
  2. Step 2: Convert to fraction form
    20,254.96/30,323.59 = 11,795.67/x
  3. Step 3: Cross multiply
    20,254.96x = 30,323.59 × 11,795.67
  4. Step 4: Simplify right side
    20,254.96x = 357,687,060.86
  5. Step 5: Solve for x
    x = 357,687,060.86/20,254.96
  6. Step 6: Final answer
    x = 17,659.23

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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.