Home / 12,995.24-19,493.70-4,230.20

Finding the Fourth Proportional to 12,995.24, 19,493.70 and 4,230.20

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Solution

The fourth proportional to 12,995.24, 19,493.70 and 4,230.20 is: 6,345.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995.24 : 19,493.70 = 4,230.20 : x
  2. Step 2: Convert to fraction form
    12,995.24/19,493.70 = 4,230.20/x
  3. Step 3: Cross multiply
    12,995.24x = 19,493.70 × 4,230.20
  4. Step 4: Simplify right side
    12,995.24x = 82,462,249.74
  5. Step 5: Solve for x
    x = 82,462,249.74/12,995.24
  6. Step 6: Final answer
    x = 6,345.57

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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.