Home / 19,239.72-28,862.62-8,146.48

Finding the Fourth Proportional to 19,239.72, 28,862.62 and 8,146.48

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Solution

The fourth proportional to 19,239.72, 28,862.62 and 8,146.48 is: 12,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.72 : 28,862.62 = 8,146.48 : x
  2. Step 2: Convert to fraction form
    19,239.72/28,862.62 = 8,146.48/x
  3. Step 3: Cross multiply
    19,239.72x = 28,862.62 × 8,146.48
  4. Step 4: Simplify right side
    19,239.72x = 235,128,756.58
  5. Step 5: Solve for x
    x = 235,128,756.58/19,239.72
  6. Step 6: Final answer
    x = 12,221.01

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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.