Home / 14,992.56-20,687.40-8,703.84

Finding the Fourth Proportional to 14,992.56, 20,687.40 and 8,703.84

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Solution

The fourth proportional to 14,992.56, 20,687.40 and 8,703.84 is: 12,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,992.56 : 20,687.40 = 8,703.84 : x
  2. Step 2: Convert to fraction form
    14,992.56/20,687.40 = 8,703.84/x
  3. Step 3: Cross multiply
    14,992.56x = 20,687.40 × 8,703.84
  4. Step 4: Simplify right side
    14,992.56x = 180,059,819.62
  5. Step 5: Solve for x
    x = 180,059,819.62/14,992.56
  6. Step 6: Final answer
    x = 12,009.94

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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.