Home / 16,679.55-23,012.19-9,605.82

Finding the Fourth Proportional to 16,679.55, 23,012.19 and 9,605.82

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Solution

The fourth proportional to 16,679.55, 23,012.19 and 9,605.82 is: 13,252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.55 : 23,012.19 = 9,605.82 : x
  2. Step 2: Convert to fraction form
    16,679.55/23,012.19 = 9,605.82/x
  3. Step 3: Cross multiply
    16,679.55x = 23,012.19 × 9,605.82
  4. Step 4: Simplify right side
    16,679.55x = 221,050,954.95
  5. Step 5: Solve for x
    x = 221,050,954.95/16,679.55
  6. Step 6: Final answer
    x = 13,252.81

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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.