Home / 19,956.87-29,953.71-10,103.13

Finding the Fourth Proportional to 19,956.87, 29,953.71 and 10,103.13

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Solution

The fourth proportional to 19,956.87, 29,953.71 and 10,103.13 is: 15,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.87 : 29,953.71 = 10,103.13 : x
  2. Step 2: Convert to fraction form
    19,956.87/29,953.71 = 10,103.13/x
  3. Step 3: Cross multiply
    19,956.87x = 29,953.71 × 10,103.13
  4. Step 4: Simplify right side
    19,956.87x = 302,626,226.11
  5. Step 5: Solve for x
    x = 302,626,226.11/19,956.87
  6. Step 6: Final answer
    x = 15,164.01

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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.