Home / 19,220.03-28,831.26-8,125.26

Finding the Fourth Proportional to 19,220.03, 28,831.26 and 8,125.26

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Solution

The fourth proportional to 19,220.03, 28,831.26 and 8,125.26 is: 12,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.03 : 28,831.26 = 8,125.26 : x
  2. Step 2: Convert to fraction form
    19,220.03/28,831.26 = 8,125.26/x
  3. Step 3: Cross multiply
    19,220.03x = 28,831.26 × 8,125.26
  4. Step 4: Simplify right side
    19,220.03x = 234,261,483.63
  5. Step 5: Solve for x
    x = 234,261,483.63/19,220.03
  6. Step 6: Final answer
    x = 12,188.40

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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.