Home / 19,660.04-29,496.10-11,771.45

Finding the Fourth Proportional to 19,660.04, 29,496.10 and 11,771.45

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Solution

The fourth proportional to 19,660.04, 29,496.10 and 11,771.45 is: 17,660.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.04 : 29,496.10 = 11,771.45 : x
  2. Step 2: Convert to fraction form
    19,660.04/29,496.10 = 11,771.45/x
  3. Step 3: Cross multiply
    19,660.04x = 29,496.10 × 11,771.45
  4. Step 4: Simplify right side
    19,660.04x = 347,211,866.35
  5. Step 5: Solve for x
    x = 347,211,866.35/19,660.04
  6. Step 6: Final answer
    x = 17,660.79

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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.