Home / 14,699.66-20,285.85-8,731.35

Finding the Fourth Proportional to 14,699.66, 20,285.85 and 8,731.35

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Solution

The fourth proportional to 14,699.66, 20,285.85 and 8,731.35 is: 12,049.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,699.66 : 20,285.85 = 8,731.35 : x
  2. Step 2: Convert to fraction form
    14,699.66/20,285.85 = 8,731.35/x
  3. Step 3: Cross multiply
    14,699.66x = 20,285.85 × 8,731.35
  4. Step 4: Simplify right side
    14,699.66x = 177,122,856.40
  5. Step 5: Solve for x
    x = 177,122,856.40/14,699.66
  6. Step 6: Final answer
    x = 12,049.46

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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.