Home / 19,956.81-29,953.68-10,103.01

Finding the Fourth Proportional to 19,956.81, 29,953.68 and 10,103.01

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Solution

The fourth proportional to 19,956.81, 29,953.68 and 10,103.01 is: 15,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.81 : 29,953.68 = 10,103.01 : x
  2. Step 2: Convert to fraction form
    19,956.81/29,953.68 = 10,103.01/x
  3. Step 3: Cross multiply
    19,956.81x = 29,953.68 × 10,103.01
  4. Step 4: Simplify right side
    19,956.81x = 302,622,328.58
  5. Step 5: Solve for x
    x = 302,622,328.58/19,956.81
  6. Step 6: Final answer
    x = 15,163.86

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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.