Home / 19,119.72-28,683.18-5,968.92

Finding the Fourth Proportional to 19,119.72, 28,683.18 and 5,968.92

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Solution

The fourth proportional to 19,119.72, 28,683.18 and 5,968.92 is: 8,954.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.72 : 28,683.18 = 5,968.92 : x
  2. Step 2: Convert to fraction form
    19,119.72/28,683.18 = 5,968.92/x
  3. Step 3: Cross multiply
    19,119.72x = 28,683.18 × 5,968.92
  4. Step 4: Simplify right side
    19,119.72x = 171,207,606.77
  5. Step 5: Solve for x
    x = 171,207,606.77/19,119.72
  6. Step 6: Final answer
    x = 8,954.50

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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.