Home / 11,815.74-16,305.51-6,510.42

Finding the Fourth Proportional to 11,815.74, 16,305.51 and 6,510.42

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Solution

The fourth proportional to 11,815.74, 16,305.51 and 6,510.42 is: 8,984.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,815.74 : 16,305.51 = 6,510.42 : x
  2. Step 2: Convert to fraction form
    11,815.74/16,305.51 = 6,510.42/x
  3. Step 3: Cross multiply
    11,815.74x = 16,305.51 × 6,510.42
  4. Step 4: Simplify right side
    11,815.74x = 106,155,718.41
  5. Step 5: Solve for x
    x = 106,155,718.41/11,815.74
  6. Step 6: Final answer
    x = 8,984.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.