Home / 18,470.36-27,705.33-12,532.55

Finding the Fourth Proportional to 18,470.36, 27,705.33 and 12,532.55

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Solution

The fourth proportional to 18,470.36, 27,705.33 and 12,532.55 is: 18,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.36 : 27,705.33 = 12,532.55 : x
  2. Step 2: Convert to fraction form
    18,470.36/27,705.33 = 12,532.55/x
  3. Step 3: Cross multiply
    18,470.36x = 27,705.33 × 12,532.55
  4. Step 4: Simplify right side
    18,470.36x = 347,218,294.96
  5. Step 5: Solve for x
    x = 347,218,294.96/18,470.36
  6. Step 6: Final answer
    x = 18,798.67

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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.