Home / 12,441.40-18,666.96-4,650.82

Finding the Fourth Proportional to 12,441.40, 18,666.96 and 4,650.82

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Solution

The fourth proportional to 12,441.40, 18,666.96 and 4,650.82 is: 6,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.40 : 18,666.96 = 4,650.82 : x
  2. Step 2: Convert to fraction form
    12,441.40/18,666.96 = 4,650.82/x
  3. Step 3: Cross multiply
    12,441.40x = 18,666.96 × 4,650.82
  4. Step 4: Simplify right side
    12,441.40x = 86,816,670.91
  5. Step 5: Solve for x
    x = 86,816,670.91/12,441.40
  6. Step 6: Final answer
    x = 6,978.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.