Home / 11,888.41-16,405.64-6,510.61

Finding the Fourth Proportional to 11,888.41, 16,405.64 and 6,510.61

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Solution

The fourth proportional to 11,888.41, 16,405.64 and 6,510.61 is: 8,984.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.41 : 16,405.64 = 6,510.61 : x
  2. Step 2: Convert to fraction form
    11,888.41/16,405.64 = 6,510.61/x
  3. Step 3: Cross multiply
    11,888.41x = 16,405.64 × 6,510.61
  4. Step 4: Simplify right side
    11,888.41x = 106,810,691.29
  5. Step 5: Solve for x
    x = 106,810,691.29/11,888.41
  6. Step 6: Final answer
    x = 8,984.44

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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.