Home / 11,730.42-16,188.12-6,425.46

Finding the Fourth Proportional to 11,730.42, 16,188.12 and 6,425.46

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Solution

The fourth proportional to 11,730.42, 16,188.12 and 6,425.46 is: 8,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.42 : 16,188.12 = 6,425.46 : x
  2. Step 2: Convert to fraction form
    11,730.42/16,188.12 = 6,425.46/x
  3. Step 3: Cross multiply
    11,730.42x = 16,188.12 × 6,425.46
  4. Step 4: Simplify right side
    11,730.42x = 104,016,117.54
  5. Step 5: Solve for x
    x = 104,016,117.54/11,730.42
  6. Step 6: Final answer
    x = 8,867.21

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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.