Home / 12,605.04-18,919.23-6,369.45

Finding the Fourth Proportional to 12,605.04, 18,919.23 and 6,369.45

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Solution

The fourth proportional to 12,605.04, 18,919.23 and 6,369.45 is: 9,560.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,605.04 : 18,919.23 = 6,369.45 : x
  2. Step 2: Convert to fraction form
    12,605.04/18,919.23 = 6,369.45/x
  3. Step 3: Cross multiply
    12,605.04x = 18,919.23 × 6,369.45
  4. Step 4: Simplify right side
    12,605.04x = 120,505,089.52
  5. Step 5: Solve for x
    x = 120,505,089.52/12,605.04
  6. Step 6: Final answer
    x = 9,560.07

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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.