Home / 19,628.34-29,443.46-6,480.42

Finding the Fourth Proportional to 19,628.34, 29,443.46 and 6,480.42

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Solution

The fourth proportional to 19,628.34, 29,443.46 and 6,480.42 is: 9,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.34 : 29,443.46 = 6,480.42 : x
  2. Step 2: Convert to fraction form
    19,628.34/29,443.46 = 6,480.42/x
  3. Step 3: Cross multiply
    19,628.34x = 29,443.46 × 6,480.42
  4. Step 4: Simplify right side
    19,628.34x = 190,805,954.65
  5. Step 5: Solve for x
    x = 190,805,954.65/19,628.34
  6. Step 6: Final answer
    x = 9,720.94

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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.