Home / 19,555.86-29,329.24-11,660.58

Finding the Fourth Proportional to 19,555.86, 29,329.24 and 11,660.58

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Solution

The fourth proportional to 19,555.86, 29,329.24 and 11,660.58 is: 17,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.86 : 29,329.24 = 11,660.58 : x
  2. Step 2: Convert to fraction form
    19,555.86/29,329.24 = 11,660.58/x
  3. Step 3: Cross multiply
    19,555.86x = 29,329.24 × 11,660.58
  4. Step 4: Simplify right side
    19,555.86x = 341,995,949.36
  5. Step 5: Solve for x
    x = 341,995,949.36/19,555.86
  6. Step 6: Final answer
    x = 17,488.16

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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.