Home / 19,043.65-28,559.54-6,390.94

Finding the Fourth Proportional to 19,043.65, 28,559.54 and 6,390.94

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Solution

The fourth proportional to 19,043.65, 28,559.54 and 6,390.94 is: 9,584.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.65 : 28,559.54 = 6,390.94 : x
  2. Step 2: Convert to fraction form
    19,043.65/28,559.54 = 6,390.94/x
  3. Step 3: Cross multiply
    19,043.65x = 28,559.54 × 6,390.94
  4. Step 4: Simplify right side
    19,043.65x = 182,522,131.82
  5. Step 5: Solve for x
    x = 182,522,131.82/19,043.65
  6. Step 6: Final answer
    x = 9,584.41

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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.