Home / 14,708.90-20,298.42-8,739.42

Finding the Fourth Proportional to 14,708.90, 20,298.42 and 8,739.42

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Solution

The fourth proportional to 14,708.90, 20,298.42 and 8,739.42 is: 12,060.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,708.90 : 20,298.42 = 8,739.42 : x
  2. Step 2: Convert to fraction form
    14,708.90/20,298.42 = 8,739.42/x
  3. Step 3: Cross multiply
    14,708.90x = 20,298.42 × 8,739.42
  4. Step 4: Simplify right side
    14,708.90x = 177,396,423.27
  5. Step 5: Solve for x
    x = 177,396,423.27/14,708.90
  6. Step 6: Final answer
    x = 12,060.48

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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.