Home / 19,623.15-29,446.83-7,774.92

Finding the Fourth Proportional to 19,623.15, 29,446.83 and 7,774.92

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Solution

The fourth proportional to 19,623.15, 29,446.83 and 7,774.92 is: 11,667.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.15 : 29,446.83 = 7,774.92 : x
  2. Step 2: Convert to fraction form
    19,623.15/29,446.83 = 7,774.92/x
  3. Step 3: Cross multiply
    19,623.15x = 29,446.83 × 7,774.92
  4. Step 4: Simplify right side
    19,623.15x = 228,946,747.50
  5. Step 5: Solve for x
    x = 228,946,747.50/19,623.15
  6. Step 6: Final answer
    x = 11,667.18

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1.5x scale

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.