Home / 14,068.76-21,106.26-5,303.75

Finding the Fourth Proportional to 14,068.76, 21,106.26 and 5,303.75

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Solution

The fourth proportional to 14,068.76, 21,106.26 and 5,303.75 is: 7,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,068.76 : 21,106.26 = 5,303.75 : x
  2. Step 2: Convert to fraction form
    14,068.76/21,106.26 = 5,303.75/x
  3. Step 3: Cross multiply
    14,068.76x = 21,106.26 × 5,303.75
  4. Step 4: Simplify right side
    14,068.76x = 111,942,220.94
  5. Step 5: Solve for x
    x = 111,942,220.94/14,068.76
  6. Step 6: Final answer
    x = 7,956.80

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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.