Home / 14,708.62-20,300.85-8,739.14

Finding the Fourth Proportional to 14,708.62, 20,300.85 and 8,739.14

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Solution

The fourth proportional to 14,708.62, 20,300.85 and 8,739.14 is: 12,061.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,708.62 : 20,300.85 = 8,739.14 : x
  2. Step 2: Convert to fraction form
    14,708.62/20,300.85 = 8,739.14/x
  3. Step 3: Cross multiply
    14,708.62x = 20,300.85 × 8,739.14
  4. Step 4: Simplify right side
    14,708.62x = 177,411,912.12
  5. Step 5: Solve for x
    x = 177,411,912.12/14,708.62
  6. Step 6: Final answer
    x = 12,061.77

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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.