Home / 14,910.57-20,575.30-8,777.62

Finding the Fourth Proportional to 14,910.57, 20,575.30 and 8,777.62

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Solution

The fourth proportional to 14,910.57, 20,575.30 and 8,777.62 is: 12,112.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.57 : 20,575.30 = 8,777.62 : x
  2. Step 2: Convert to fraction form
    14,910.57/20,575.30 = 8,777.62/x
  3. Step 3: Cross multiply
    14,910.57x = 20,575.30 × 8,777.62
  4. Step 4: Simplify right side
    14,910.57x = 180,602,164.79
  5. Step 5: Solve for x
    x = 180,602,164.79/14,910.57
  6. Step 6: Final answer
    x = 12,112.36

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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.