Home / 14,074.28-21,111.60-3,686

Finding the Fourth Proportional to 14,074.28, 21,111.60 and 3,686

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Solution

The fourth proportional to 14,074.28, 21,111.60 and 3,686 is: 5,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.28 : 21,111.60 = 3,686 : x
  2. Step 2: Convert to fraction form
    14,074.28/21,111.60 = 3,686/x
  3. Step 3: Cross multiply
    14,074.28x = 21,111.60 × 3,686
  4. Step 4: Simplify right side
    14,074.28x = 77,817,357.60
  5. Step 5: Solve for x
    x = 77,817,357.60/14,074.28
  6. Step 6: Final answer
    x = 5,529.05

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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.