Home / 10,619.24-14,605.84-8,518.76

Finding the Fourth Proportional to 10,619.24, 14,605.84 and 8,518.76

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Solution

The fourth proportional to 10,619.24, 14,605.84 and 8,518.76 is: 11,716.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.24 : 14,605.84 = 8,518.76 : x
  2. Step 2: Convert to fraction form
    10,619.24/14,605.84 = 8,518.76/x
  3. Step 3: Cross multiply
    10,619.24x = 14,605.84 × 8,518.76
  4. Step 4: Simplify right side
    10,619.24x = 124,423,645.56
  5. Step 5: Solve for x
    x = 124,423,645.56/10,619.24
  6. Step 6: Final answer
    x = 11,716.81

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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.