Home / 17,390.45-26,085.42-12,048.70

Finding the Fourth Proportional to 17,390.45, 26,085.42 and 12,048.70

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Solution

The fourth proportional to 17,390.45, 26,085.42 and 12,048.70 is: 18,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.45 : 26,085.42 = 12,048.70 : x
  2. Step 2: Convert to fraction form
    17,390.45/26,085.42 = 12,048.70/x
  3. Step 3: Cross multiply
    17,390.45x = 26,085.42 × 12,048.70
  4. Step 4: Simplify right side
    17,390.45x = 314,295,399.95
  5. Step 5: Solve for x
    x = 314,295,399.95/17,390.45
  6. Step 6: Final answer
    x = 18,072.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.