Home / 13,956.21-19,259.55-7,668.99

Finding the Fourth Proportional to 13,956.21, 19,259.55 and 7,668.99

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Solution

The fourth proportional to 13,956.21, 19,259.55 and 7,668.99 is: 10,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.21 : 19,259.55 = 7,668.99 : x
  2. Step 2: Convert to fraction form
    13,956.21/19,259.55 = 7,668.99/x
  3. Step 3: Cross multiply
    13,956.21x = 19,259.55 × 7,668.99
  4. Step 4: Simplify right side
    13,956.21x = 147,701,296.35
  5. Step 5: Solve for x
    x = 147,701,296.35/13,956.21
  6. Step 6: Final answer
    x = 10,583.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.