Home / 12,942.44-19,417.12-4,623.32

Finding the Fourth Proportional to 12,942.44, 19,417.12 and 4,623.32

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Solution

The fourth proportional to 12,942.44, 19,417.12 and 4,623.32 is: 6,936.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942.44 : 19,417.12 = 4,623.32 : x
  2. Step 2: Convert to fraction form
    12,942.44/19,417.12 = 4,623.32/x
  3. Step 3: Cross multiply
    12,942.44x = 19,417.12 × 4,623.32
  4. Step 4: Simplify right side
    12,942.44x = 89,771,559.24
  5. Step 5: Solve for x
    x = 89,771,559.24/12,942.44
  6. Step 6: Final answer
    x = 6,936.22

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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.