Home / 14,130.62-21,194.70-5,365.60

Finding the Fourth Proportional to 14,130.62, 21,194.70 and 5,365.60

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Solution

The fourth proportional to 14,130.62, 21,194.70 and 5,365.60 is: 8,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.62 : 21,194.70 = 5,365.60 : x
  2. Step 2: Convert to fraction form
    14,130.62/21,194.70 = 5,365.60/x
  3. Step 3: Cross multiply
    14,130.62x = 21,194.70 × 5,365.60
  4. Step 4: Simplify right side
    14,130.62x = 113,722,282.32
  5. Step 5: Solve for x
    x = 113,722,282.32/14,130.62
  6. Step 6: Final answer
    x = 8,047.93

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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.