Home / 18,270.30-25,195.68-12,595.98

Finding the Fourth Proportional to 18,270.30, 25,195.68 and 12,595.98

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Solution

The fourth proportional to 18,270.30, 25,195.68 and 12,595.98 is: 17,370.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.30 : 25,195.68 = 12,595.98 : x
  2. Step 2: Convert to fraction form
    18,270.30/25,195.68 = 12,595.98/x
  3. Step 3: Cross multiply
    18,270.30x = 25,195.68 × 12,595.98
  4. Step 4: Simplify right side
    18,270.30x = 317,364,281.37
  5. Step 5: Solve for x
    x = 317,364,281.37/18,270.30
  6. Step 6: Final answer
    x = 17,370.50

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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.