Home / 19,609.34-29,404.28-8,362.92

Finding the Fourth Proportional to 19,609.34, 29,404.28 and 8,362.92

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Solution

The fourth proportional to 19,609.34, 29,404.28 and 8,362.92 is: 12,540.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,609.34 : 29,404.28 = 8,362.92 : x
  2. Step 2: Convert to fraction form
    19,609.34/29,404.28 = 8,362.92/x
  3. Step 3: Cross multiply
    19,609.34x = 29,404.28 × 8,362.92
  4. Step 4: Simplify right side
    19,609.34x = 245,905,680.95
  5. Step 5: Solve for x
    x = 245,905,680.95/19,609.34
  6. Step 6: Final answer
    x = 12,540.23

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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.