Home / 19,946.69-29,919.95-5,154.35

Finding the Fourth Proportional to 19,946.69, 29,919.95 and 5,154.35

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Solution

The fourth proportional to 19,946.69, 29,919.95 and 5,154.35 is: 7,731.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,946.69 : 29,919.95 = 5,154.35 : x
  2. Step 2: Convert to fraction form
    19,946.69/29,919.95 = 5,154.35/x
  3. Step 3: Cross multiply
    19,946.69x = 29,919.95 × 5,154.35
  4. Step 4: Simplify right side
    19,946.69x = 154,217,956.20
  5. Step 5: Solve for x
    x = 154,217,956.20/19,946.69
  6. Step 6: Final answer
    x = 7,731.51

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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.