Home / 19,219.52-28,830.96-5,368.56

Finding the Fourth Proportional to 19,219.52, 28,830.96 and 5,368.56

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Solution

The fourth proportional to 19,219.52, 28,830.96 and 5,368.56 is: 8,053.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.52 : 28,830.96 = 5,368.56 : x
  2. Step 2: Convert to fraction form
    19,219.52/28,830.96 = 5,368.56/x
  3. Step 3: Cross multiply
    19,219.52x = 28,830.96 × 5,368.56
  4. Step 4: Simplify right side
    19,219.52x = 154,780,738.62
  5. Step 5: Solve for x
    x = 154,780,738.62/19,219.52
  6. Step 6: Final answer
    x = 8,053.31

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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.