Home / 14,116.90-21,177.31-4,759.60

Finding the Fourth Proportional to 14,116.90, 21,177.31 and 4,759.60

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Solution

The fourth proportional to 14,116.90, 21,177.31 and 4,759.60 is: 7,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.90 : 21,177.31 = 4,759.60 : x
  2. Step 2: Convert to fraction form
    14,116.90/21,177.31 = 4,759.60/x
  3. Step 3: Cross multiply
    14,116.90x = 21,177.31 × 4,759.60
  4. Step 4: Simplify right side
    14,116.90x = 100,795,470.32
  5. Step 5: Solve for x
    x = 100,795,470.32/14,116.90
  6. Step 6: Final answer
    x = 7,140.05

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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.