Home / 11,888.42-16,405.70-6,510.83

Finding the Fourth Proportional to 11,888.42, 16,405.70 and 6,510.83

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Solution

The fourth proportional to 11,888.42, 16,405.70 and 6,510.83 is: 8,984.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.42 : 16,405.70 = 6,510.83 : x
  2. Step 2: Convert to fraction form
    11,888.42/16,405.70 = 6,510.83/x
  3. Step 3: Cross multiply
    11,888.42x = 16,405.70 × 6,510.83
  4. Step 4: Simplify right side
    11,888.42x = 106,814,609.15
  5. Step 5: Solve for x
    x = 106,814,609.15/11,888.42
  6. Step 6: Final answer
    x = 8,984.76

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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.