Home / 11,721.30-17,580.06-4,329.24

Finding the Fourth Proportional to 11,721.30, 17,580.06 and 4,329.24

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Solution

The fourth proportional to 11,721.30, 17,580.06 and 4,329.24 is: 6,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.30 : 17,580.06 = 4,329.24 : x
  2. Step 2: Convert to fraction form
    11,721.30/17,580.06 = 4,329.24/x
  3. Step 3: Cross multiply
    11,721.30x = 17,580.06 × 4,329.24
  4. Step 4: Simplify right side
    11,721.30x = 76,108,364.88
  5. Step 5: Solve for x
    x = 76,108,364.88/11,721.30
  6. Step 6: Final answer
    x = 6,493.17

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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.