Home / 19,968.22-29,952.33-5,176.81

Finding the Fourth Proportional to 19,968.22, 29,952.33 and 5,176.81

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Solution

The fourth proportional to 19,968.22, 29,952.33 and 5,176.81 is: 7,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.22 : 29,952.33 = 5,176.81 : x
  2. Step 2: Convert to fraction form
    19,968.22/29,952.33 = 5,176.81/x
  3. Step 3: Cross multiply
    19,968.22x = 29,952.33 × 5,176.81
  4. Step 4: Simplify right side
    19,968.22x = 155,057,568.61
  5. Step 5: Solve for x
    x = 155,057,568.61/19,968.22
  6. Step 6: Final answer
    x = 7,765.22

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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.