Home / 19,630.30-29,433.30-11,306.20

Finding the Fourth Proportional to 19,630.30, 29,433.30 and 11,306.20

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Solution

The fourth proportional to 19,630.30, 29,433.30 and 11,306.20 is: 16,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.30 : 29,433.30 = 11,306.20 : x
  2. Step 2: Convert to fraction form
    19,630.30/29,433.30 = 11,306.20/x
  3. Step 3: Cross multiply
    19,630.30x = 29,433.30 × 11,306.20
  4. Step 4: Simplify right side
    19,630.30x = 332,778,776.46
  5. Step 5: Solve for x
    x = 332,778,776.46/19,630.30
  6. Step 6: Final answer
    x = 16,952.30

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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.