Home / 18,353.30-25,313.46-12,375.50

Finding the Fourth Proportional to 18,353.30, 25,313.46 and 12,375.50

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Solution

The fourth proportional to 18,353.30, 25,313.46 and 12,375.50 is: 17,068.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.30 : 25,313.46 = 12,375.50 : x
  2. Step 2: Convert to fraction form
    18,353.30/25,313.46 = 12,375.50/x
  3. Step 3: Cross multiply
    18,353.30x = 25,313.46 × 12,375.50
  4. Step 4: Simplify right side
    18,353.30x = 313,266,724.23
  5. Step 5: Solve for x
    x = 313,266,724.23/18,353.30
  6. Step 6: Final answer
    x = 17,068.69

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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.