Home / 13,726.20-20,590.74-8,527.80

Finding the Fourth Proportional to 13,726.20, 20,590.74 and 8,527.80

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Solution

The fourth proportional to 13,726.20, 20,590.74 and 8,527.80 is: 12,792.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.20 : 20,590.74 = 8,527.80 : x
  2. Step 2: Convert to fraction form
    13,726.20/20,590.74 = 8,527.80/x
  3. Step 3: Cross multiply
    13,726.20x = 20,590.74 × 8,527.80
  4. Step 4: Simplify right side
    13,726.20x = 175,593,712.57
  5. Step 5: Solve for x
    x = 175,593,712.57/13,726.20
  6. Step 6: Final answer
    x = 12,792.59

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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.