Home / 14,135.18-21,199.26-4,273.70

Finding the Fourth Proportional to 14,135.18, 21,199.26 and 4,273.70

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Solution

The fourth proportional to 14,135.18, 21,199.26 and 4,273.70 is: 6,409.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.18 : 21,199.26 = 4,273.70 : x
  2. Step 2: Convert to fraction form
    14,135.18/21,199.26 = 4,273.70/x
  3. Step 3: Cross multiply
    14,135.18x = 21,199.26 × 4,273.70
  4. Step 4: Simplify right side
    14,135.18x = 90,599,277.46
  5. Step 5: Solve for x
    x = 90,599,277.46/14,135.18
  6. Step 6: Final answer
    x = 6,409.49

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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.