Home / 14,151.25-21,226.93-4,290.62

Finding the Fourth Proportional to 14,151.25, 21,226.93 and 4,290.62

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Solution

The fourth proportional to 14,151.25, 21,226.93 and 4,290.62 is: 6,435.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.25 : 21,226.93 = 4,290.62 : x
  2. Step 2: Convert to fraction form
    14,151.25/21,226.93 = 4,290.62/x
  3. Step 3: Cross multiply
    14,151.25x = 21,226.93 × 4,290.62
  4. Step 4: Simplify right side
    14,151.25x = 91,076,597.67
  5. Step 5: Solve for x
    x = 91,076,597.67/14,151.25
  6. Step 6: Final answer
    x = 6,435.94

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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.