Home / 19,063.40-28,611.30-8,549.60

Finding the Fourth Proportional to 19,063.40, 28,611.30 and 8,549.60

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Solution

The fourth proportional to 19,063.40, 28,611.30 and 8,549.60 is: 12,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,063.40 : 28,611.30 = 8,549.60 : x
  2. Step 2: Convert to fraction form
    19,063.40/28,611.30 = 8,549.60/x
  3. Step 3: Cross multiply
    19,063.40x = 28,611.30 × 8,549.60
  4. Step 4: Simplify right side
    19,063.40x = 244,615,170.48
  5. Step 5: Solve for x
    x = 244,615,170.48/19,063.40
  6. Step 6: Final answer
    x = 12,831.67

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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.