Home / 18,838.29-28,257.86-4,798.26

Finding the Fourth Proportional to 18,838.29, 28,257.86 and 4,798.26

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Solution

The fourth proportional to 18,838.29, 28,257.86 and 4,798.26 is: 7,197.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.29 : 28,257.86 = 4,798.26 : x
  2. Step 2: Convert to fraction form
    18,838.29/28,257.86 = 4,798.26/x
  3. Step 3: Cross multiply
    18,838.29x = 28,257.86 × 4,798.26
  4. Step 4: Simplify right side
    18,838.29x = 135,588,535.33
  5. Step 5: Solve for x
    x = 135,588,535.33/18,838.29
  6. Step 6: Final answer
    x = 7,197.50

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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.