Home / 12,849.30-19,165.55-11,717.46

Finding the Fourth Proportional to 12,849.30, 19,165.55 and 11,717.46

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Solution

The fourth proportional to 12,849.30, 19,165.55 and 11,717.46 is: 17,477.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.30 : 19,165.55 = 11,717.46 : x
  2. Step 2: Convert to fraction form
    12,849.30/19,165.55 = 11,717.46/x
  3. Step 3: Cross multiply
    12,849.30x = 19,165.55 × 11,717.46
  4. Step 4: Simplify right side
    12,849.30x = 224,571,506.92
  5. Step 5: Solve for x
    x = 224,571,506.92/12,849.30
  6. Step 6: Final answer
    x = 17,477.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.