Home / 10,605.91-14,635.08-6,131.12

Finding the Fourth Proportional to 10,605.91, 14,635.08 and 6,131.12

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Solution

The fourth proportional to 10,605.91, 14,635.08 and 6,131.12 is: 8,460.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,605.91 : 14,635.08 = 6,131.12 : x
  2. Step 2: Convert to fraction form
    10,605.91/14,635.08 = 6,131.12/x
  3. Step 3: Cross multiply
    10,605.91x = 14,635.08 × 6,131.12
  4. Step 4: Simplify right side
    10,605.91x = 89,729,399.68
  5. Step 5: Solve for x
    x = 89,729,399.68/10,605.91
  6. Step 6: Final answer
    x = 8,460.32

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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.