Home / 11,815.10-16,304.64-6,510.41

Finding the Fourth Proportional to 11,815.10, 16,304.64 and 6,510.41

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Solution

The fourth proportional to 11,815.10, 16,304.64 and 6,510.41 is: 8,984.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,815.10 : 16,304.64 = 6,510.41 : x
  2. Step 2: Convert to fraction form
    11,815.10/16,304.64 = 6,510.41/x
  3. Step 3: Cross multiply
    11,815.10x = 16,304.64 × 6,510.41
  4. Step 4: Simplify right side
    11,815.10x = 106,149,883.13
  5. Step 5: Solve for x
    x = 106,149,883.13/11,815.10
  6. Step 6: Final answer
    x = 8,984.26

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1.5x scale

Why These Related Problems?

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