Home / 19,958.81-29,956.64-10,104.99

Finding the Fourth Proportional to 19,958.81, 29,956.64 and 10,104.99

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Solution

The fourth proportional to 19,958.81, 29,956.64 and 10,104.99 is: 15,166.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.81 : 29,956.64 = 10,104.99 : x
  2. Step 2: Convert to fraction form
    19,958.81/29,956.64 = 10,104.99/x
  3. Step 3: Cross multiply
    19,958.81x = 29,956.64 × 10,104.99
  4. Step 4: Simplify right side
    19,958.81x = 302,711,384.77
  5. Step 5: Solve for x
    x = 302,711,384.77/19,958.81
  6. Step 6: Final answer
    x = 15,166.81

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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.