Home / 14,124.25-21,186.38-4,890.25

Finding the Fourth Proportional to 14,124.25, 21,186.38 and 4,890.25

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Solution

The fourth proportional to 14,124.25, 21,186.38 and 4,890.25 is: 7,335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.25 : 21,186.38 = 4,890.25 : x
  2. Step 2: Convert to fraction form
    14,124.25/21,186.38 = 4,890.25/x
  3. Step 3: Cross multiply
    14,124.25x = 21,186.38 × 4,890.25
  4. Step 4: Simplify right side
    14,124.25x = 103,606,694.80
  5. Step 5: Solve for x
    x = 103,606,694.80/14,124.25
  6. Step 6: Final answer
    x = 7,335.38

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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.