Home / 19,555.88-29,329.28-11,660.60

Finding the Fourth Proportional to 19,555.88, 29,329.28 and 11,660.60

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Solution

The fourth proportional to 19,555.88, 29,329.28 and 11,660.60 is: 17,488.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.88 : 29,329.28 = 11,660.60 : x
  2. Step 2: Convert to fraction form
    19,555.88/29,329.28 = 11,660.60/x
  3. Step 3: Cross multiply
    19,555.88x = 29,329.28 × 11,660.60
  4. Step 4: Simplify right side
    19,555.88x = 341,997,002.37
  5. Step 5: Solve for x
    x = 341,997,002.37/19,555.88
  6. Step 6: Final answer
    x = 17,488.19

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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.