Home / 19,519.52-29,276.84-6,370.79

Finding the Fourth Proportional to 19,519.52, 29,276.84 and 6,370.79

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Solution

The fourth proportional to 19,519.52, 29,276.84 and 6,370.79 is: 9,555.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.52 : 29,276.84 = 6,370.79 : x
  2. Step 2: Convert to fraction form
    19,519.52/29,276.84 = 6,370.79/x
  3. Step 3: Cross multiply
    19,519.52x = 29,276.84 × 6,370.79
  4. Step 4: Simplify right side
    19,519.52x = 186,516,469.05
  5. Step 5: Solve for x
    x = 186,516,469.05/19,519.52
  6. Step 6: Final answer
    x = 9,555.38

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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.