Home / 14,074.87-21,112.56-4,713.14

Finding the Fourth Proportional to 14,074.87, 21,112.56 and 4,713.14

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Solution

The fourth proportional to 14,074.87, 21,112.56 and 4,713.14 is: 7,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.87 : 21,112.56 = 4,713.14 : x
  2. Step 2: Convert to fraction form
    14,074.87/21,112.56 = 4,713.14/x
  3. Step 3: Cross multiply
    14,074.87x = 21,112.56 × 4,713.14
  4. Step 4: Simplify right side
    14,074.87x = 99,506,451.04
  5. Step 5: Solve for x
    x = 99,506,451.04/14,074.87
  6. Step 6: Final answer
    x = 7,069.80

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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.