Home / 19,180.50-28,771.83-5,330.58

Finding the Fourth Proportional to 19,180.50, 28,771.83 and 5,330.58

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Solution

The fourth proportional to 19,180.50, 28,771.83 and 5,330.58 is: 7,996.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180.50 : 28,771.83 = 5,330.58 : x
  2. Step 2: Convert to fraction form
    19,180.50/28,771.83 = 5,330.58/x
  3. Step 3: Cross multiply
    19,180.50x = 28,771.83 × 5,330.58
  4. Step 4: Simplify right side
    19,180.50x = 153,370,541.56
  5. Step 5: Solve for x
    x = 153,370,541.56/19,180.50
  6. Step 6: Final answer
    x = 7,996.17

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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.