Home / 12,463.63-17,180.63-8,207.35

Finding the Fourth Proportional to 12,463.63, 17,180.63 and 8,207.35

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Solution

The fourth proportional to 12,463.63, 17,180.63 and 8,207.35 is: 11,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463.63 : 17,180.63 = 8,207.35 : x
  2. Step 2: Convert to fraction form
    12,463.63/17,180.63 = 8,207.35/x
  3. Step 3: Cross multiply
    12,463.63x = 17,180.63 × 8,207.35
  4. Step 4: Simplify right side
    12,463.63x = 141,007,443.63
  5. Step 5: Solve for x
    x = 141,007,443.63/12,463.63
  6. Step 6: Final answer
    x = 11,313.51

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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.