Home / 19,288.95-28,935.57-6,138.27

Finding the Fourth Proportional to 19,288.95, 28,935.57 and 6,138.27

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Solution

The fourth proportional to 19,288.95, 28,935.57 and 6,138.27 is: 9,208.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.95 : 28,935.57 = 6,138.27 : x
  2. Step 2: Convert to fraction form
    19,288.95/28,935.57 = 6,138.27/x
  3. Step 3: Cross multiply
    19,288.95x = 28,935.57 × 6,138.27
  4. Step 4: Simplify right side
    19,288.95x = 177,614,341.26
  5. Step 5: Solve for x
    x = 177,614,341.26/19,288.95
  6. Step 6: Final answer
    x = 9,208.09

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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.