Home / 10,144.98-13,983.35-6,786.59

Finding the Fourth Proportional to 10,144.98, 13,983.35 and 6,786.59

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Solution

The fourth proportional to 10,144.98, 13,983.35 and 6,786.59 is: 9,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.98 : 13,983.35 = 6,786.59 : x
  2. Step 2: Convert to fraction form
    10,144.98/13,983.35 = 6,786.59/x
  3. Step 3: Cross multiply
    10,144.98x = 13,983.35 × 6,786.59
  4. Step 4: Simplify right side
    10,144.98x = 94,899,159.43
  5. Step 5: Solve for x
    x = 94,899,159.43/10,144.98
  6. Step 6: Final answer
    x = 9,354.30

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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.