Home / 19,716-29,559.42-11,923.08

Finding the Fourth Proportional to 19,716, 29,559.42 and 11,923.08

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Solution

The fourth proportional to 19,716, 29,559.42 and 11,923.08 is: 17,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716 : 29,559.42 = 11,923.08 : x
  2. Step 2: Convert to fraction form
    19,716/29,559.42 = 11,923.08/x
  3. Step 3: Cross multiply
    19,716x = 29,559.42 × 11,923.08
  4. Step 4: Simplify right side
    19,716x = 352,439,329.41
  5. Step 5: Solve for x
    x = 352,439,329.41/19,716
  6. Step 6: Final answer
    x = 17,875.80

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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.