Home / 14,555.46-20,085.66-8,589

Finding the Fourth Proportional to 14,555.46, 20,085.66 and 8,589

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Solution

The fourth proportional to 14,555.46, 20,085.66 and 8,589 is: 11,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.46 : 20,085.66 = 8,589 : x
  2. Step 2: Convert to fraction form
    14,555.46/20,085.66 = 8,589/x
  3. Step 3: Cross multiply
    14,555.46x = 20,085.66 × 8,589
  4. Step 4: Simplify right side
    14,555.46x = 172,515,733.74
  5. Step 5: Solve for x
    x = 172,515,733.74/14,555.46
  6. Step 6: Final answer
    x = 11,852.30

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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.