Home / 11,581.84-15,983.24-7,108.06

Finding the Fourth Proportional to 11,581.84, 15,983.24 and 7,108.06

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Solution

The fourth proportional to 11,581.84, 15,983.24 and 7,108.06 is: 9,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.84 : 15,983.24 = 7,108.06 : x
  2. Step 2: Convert to fraction form
    11,581.84/15,983.24 = 7,108.06/x
  3. Step 3: Cross multiply
    11,581.84x = 15,983.24 × 7,108.06
  4. Step 4: Simplify right side
    11,581.84x = 113,609,838.33
  5. Step 5: Solve for x
    x = 113,609,838.33/11,581.84
  6. Step 6: Final answer
    x = 9,809.30

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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.