Home / 11,144.17-15,378.75-6,108.25

Finding the Fourth Proportional to 11,144.17, 15,378.75 and 6,108.25

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Solution

The fourth proportional to 11,144.17, 15,378.75 and 6,108.25 is: 8,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144.17 : 15,378.75 = 6,108.25 : x
  2. Step 2: Convert to fraction form
    11,144.17/15,378.75 = 6,108.25/x
  3. Step 3: Cross multiply
    11,144.17x = 15,378.75 × 6,108.25
  4. Step 4: Simplify right side
    11,144.17x = 93,937,219.15
  5. Step 5: Solve for x
    x = 93,937,219.15/11,144.17
  6. Step 6: Final answer
    x = 8,429.27

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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.