Home / 11,730.42-16,187.72-6,425.12

Finding the Fourth Proportional to 11,730.42, 16,187.72 and 6,425.12

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Solution

The fourth proportional to 11,730.42, 16,187.72 and 6,425.12 is: 8,866.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.42 : 16,187.72 = 6,425.12 : x
  2. Step 2: Convert to fraction form
    11,730.42/16,187.72 = 6,425.12/x
  3. Step 3: Cross multiply
    11,730.42x = 16,187.72 × 6,425.12
  4. Step 4: Simplify right side
    11,730.42x = 104,008,051.87
  5. Step 5: Solve for x
    x = 104,008,051.87/11,730.42
  6. Step 6: Final answer
    x = 8,866.52

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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.