Home / 18,220.34-27,330.86-5,740.77

Finding the Fourth Proportional to 18,220.34, 27,330.86 and 5,740.77

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Solution

The fourth proportional to 18,220.34, 27,330.86 and 5,740.77 is: 8,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.34 : 27,330.86 = 5,740.77 : x
  2. Step 2: Convert to fraction form
    18,220.34/27,330.86 = 5,740.77/x
  3. Step 3: Cross multiply
    18,220.34x = 27,330.86 × 5,740.77
  4. Step 4: Simplify right side
    18,220.34x = 156,900,152.46
  5. Step 5: Solve for x
    x = 156,900,152.46/18,220.34
  6. Step 6: Final answer
    x = 8,611.27

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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.