Home / 13,950.02-19,243.89-8,908.94

Finding the Fourth Proportional to 13,950.02, 19,243.89 and 8,908.94

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Solution

The fourth proportional to 13,950.02, 19,243.89 and 8,908.94 is: 12,289.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.02 : 19,243.89 = 8,908.94 : x
  2. Step 2: Convert to fraction form
    13,950.02/19,243.89 = 8,908.94/x
  3. Step 3: Cross multiply
    13,950.02x = 19,243.89 × 8,908.94
  4. Step 4: Simplify right side
    13,950.02x = 171,442,709.49
  5. Step 5: Solve for x
    x = 171,442,709.49/13,950.02
  6. Step 6: Final answer
    x = 12,289.78

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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.