Home / 20,373.34-30,568.78-11,019.93

Finding the Fourth Proportional to 20,373.34, 30,568.78 and 11,019.93

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Solution

The fourth proportional to 20,373.34, 30,568.78 and 11,019.93 is: 16,534.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,373.34 : 30,568.78 = 11,019.93 : x
  2. Step 2: Convert to fraction form
    20,373.34/30,568.78 = 11,019.93/x
  3. Step 3: Cross multiply
    20,373.34x = 30,568.78 × 11,019.93
  4. Step 4: Simplify right side
    20,373.34x = 336,865,824.89
  5. Step 5: Solve for x
    x = 336,865,824.89/20,373.34
  6. Step 6: Final answer
    x = 16,534.64

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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.