Home / 11,730.55-16,188.16-6,425.38

Finding the Fourth Proportional to 11,730.55, 16,188.16 and 6,425.38

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Solution

The fourth proportional to 11,730.55, 16,188.16 and 6,425.38 is: 8,867.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.55 : 16,188.16 = 6,425.38 : x
  2. Step 2: Convert to fraction form
    11,730.55/16,188.16 = 6,425.38/x
  3. Step 3: Cross multiply
    11,730.55x = 16,188.16 × 6,425.38
  4. Step 4: Simplify right side
    11,730.55x = 104,015,079.50
  5. Step 5: Solve for x
    x = 104,015,079.50/11,730.55
  6. Step 6: Final answer
    x = 8,867.02

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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.