Home / 13,647.37-18,833.15-7,679.04

Finding the Fourth Proportional to 13,647.37, 18,833.15 and 7,679.04

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Solution

The fourth proportional to 13,647.37, 18,833.15 and 7,679.04 is: 10,596.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,647.37 : 18,833.15 = 7,679.04 : x
  2. Step 2: Convert to fraction form
    13,647.37/18,833.15 = 7,679.04/x
  3. Step 3: Cross multiply
    13,647.37x = 18,833.15 × 7,679.04
  4. Step 4: Simplify right side
    13,647.37x = 144,620,437.21
  5. Step 5: Solve for x
    x = 144,620,437.21/13,647.37
  6. Step 6: Final answer
    x = 10,596.95

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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.