Home / 10,147.30-13,994.21-6,370.82

Finding the Fourth Proportional to 10,147.30, 13,994.21 and 6,370.82

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Solution

The fourth proportional to 10,147.30, 13,994.21 and 6,370.82 is: 8,786.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.30 : 13,994.21 = 6,370.82 : x
  2. Step 2: Convert to fraction form
    10,147.30/13,994.21 = 6,370.82/x
  3. Step 3: Cross multiply
    10,147.30x = 13,994.21 × 6,370.82
  4. Step 4: Simplify right side
    10,147.30x = 89,154,491.13
  5. Step 5: Solve for x
    x = 89,154,491.13/10,147.30
  6. Step 6: Final answer
    x = 8,786.03

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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.