Home / 12,757.24-17,605.10-8,282.68

Finding the Fourth Proportional to 12,757.24, 17,605.10 and 8,282.68

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Solution

The fourth proportional to 12,757.24, 17,605.10 and 8,282.68 is: 11,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757.24 : 17,605.10 = 8,282.68 : x
  2. Step 2: Convert to fraction form
    12,757.24/17,605.10 = 8,282.68/x
  3. Step 3: Cross multiply
    12,757.24x = 17,605.10 × 8,282.68
  4. Step 4: Simplify right side
    12,757.24x = 145,817,409.67
  5. Step 5: Solve for x
    x = 145,817,409.67/12,757.24
  6. Step 6: Final answer
    x = 11,430.17

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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.