Home / 14,135.45-21,203.18-4,273.70

Finding the Fourth Proportional to 14,135.45, 21,203.18 and 4,273.70

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Solution

The fourth proportional to 14,135.45, 21,203.18 and 4,273.70 is: 6,410.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.45 : 21,203.18 = 4,273.70 : x
  2. Step 2: Convert to fraction form
    14,135.45/21,203.18 = 4,273.70/x
  3. Step 3: Cross multiply
    14,135.45x = 21,203.18 × 4,273.70
  4. Step 4: Simplify right side
    14,135.45x = 90,616,030.37
  5. Step 5: Solve for x
    x = 90,616,030.37/14,135.45
  6. Step 6: Final answer
    x = 6,410.55

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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.