Home / 14,546.72-20,074.30-8,580.31

Finding the Fourth Proportional to 14,546.72, 20,074.30 and 8,580.31

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Solution

The fourth proportional to 14,546.72, 20,074.30 and 8,580.31 is: 11,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,546.72 : 20,074.30 = 8,580.31 : x
  2. Step 2: Convert to fraction form
    14,546.72/20,074.30 = 8,580.31/x
  3. Step 3: Cross multiply
    14,546.72x = 20,074.30 × 8,580.31
  4. Step 4: Simplify right side
    14,546.72x = 172,243,645.40
  5. Step 5: Solve for x
    x = 172,243,645.40/14,546.72
  6. Step 6: Final answer
    x = 11,840.72

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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.