Home / 19,238.80-28,858.52-6,091.28

Finding the Fourth Proportional to 19,238.80, 28,858.52 and 6,091.28

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Solution

The fourth proportional to 19,238.80, 28,858.52 and 6,091.28 is: 9,137.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.80 : 28,858.52 = 6,091.28 : x
  2. Step 2: Convert to fraction form
    19,238.80/28,858.52 = 6,091.28/x
  3. Step 3: Cross multiply
    19,238.80x = 28,858.52 × 6,091.28
  4. Step 4: Simplify right side
    19,238.80x = 175,785,325.71
  5. Step 5: Solve for x
    x = 175,785,325.71/19,238.80
  6. Step 6: Final answer
    x = 9,137.02

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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.