Home / 13,173.34-18,179.08-7,204.95

Finding the Fourth Proportional to 13,173.34, 18,179.08 and 7,204.95

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Solution

The fourth proportional to 13,173.34, 18,179.08 and 7,204.95 is: 9,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.34 : 18,179.08 = 7,204.95 : x
  2. Step 2: Convert to fraction form
    13,173.34/18,179.08 = 7,204.95/x
  3. Step 3: Cross multiply
    13,173.34x = 18,179.08 × 7,204.95
  4. Step 4: Simplify right side
    13,173.34x = 130,979,362.45
  5. Step 5: Solve for x
    x = 130,979,362.45/13,173.34
  6. Step 6: Final answer
    x = 9,942.76

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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.