Home / 19,894.72-29,811.68-10,006.40

Finding the Fourth Proportional to 19,894.72, 29,811.68 and 10,006.40

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Solution

The fourth proportional to 19,894.72, 29,811.68 and 10,006.40 is: 14,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.72 : 29,811.68 = 10,006.40 : x
  2. Step 2: Convert to fraction form
    19,894.72/29,811.68 = 10,006.40/x
  3. Step 3: Cross multiply
    19,894.72x = 29,811.68 × 10,006.40
  4. Step 4: Simplify right side
    19,894.72x = 298,307,594.75
  5. Step 5: Solve for x
    x = 298,307,594.75/19,894.72
  6. Step 6: Final answer
    x = 14,994.31

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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.