Home / 19,100.52-28,621.47-8,001.13

Finding the Fourth Proportional to 19,100.52, 28,621.47 and 8,001.13

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Solution

The fourth proportional to 19,100.52, 28,621.47 and 8,001.13 is: 11,989.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100.52 : 28,621.47 = 8,001.13 : x
  2. Step 2: Convert to fraction form
    19,100.52/28,621.47 = 8,001.13/x
  3. Step 3: Cross multiply
    19,100.52x = 28,621.47 × 8,001.13
  4. Step 4: Simplify right side
    19,100.52x = 229,004,102.26
  5. Step 5: Solve for x
    x = 229,004,102.26/19,100.52
  6. Step 6: Final answer
    x = 11,989.42

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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.