Home / 19,399.60-29,136.31-12,055.38

Finding the Fourth Proportional to 19,399.60, 29,136.31 and 12,055.38

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Solution

The fourth proportional to 19,399.60, 29,136.31 and 12,055.38 is: 18,106.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399.60 : 29,136.31 = 12,055.38 : x
  2. Step 2: Convert to fraction form
    19,399.60/29,136.31 = 12,055.38/x
  3. Step 3: Cross multiply
    19,399.60x = 29,136.31 × 12,055.38
  4. Step 4: Simplify right side
    19,399.60x = 351,249,228.57
  5. Step 5: Solve for x
    x = 351,249,228.57/19,399.60
  6. Step 6: Final answer
    x = 18,106.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.