Home / 14,921.83-20,592.46-8,208.05

Finding the Fourth Proportional to 14,921.83, 20,592.46 and 8,208.05

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Solution

The fourth proportional to 14,921.83, 20,592.46 and 8,208.05 is: 11,327.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,921.83 : 20,592.46 = 8,208.05 : x
  2. Step 2: Convert to fraction form
    14,921.83/20,592.46 = 8,208.05/x
  3. Step 3: Cross multiply
    14,921.83x = 20,592.46 × 8,208.05
  4. Step 4: Simplify right side
    14,921.83x = 169,023,848.60
  5. Step 5: Solve for x
    x = 169,023,848.60/14,921.83
  6. Step 6: Final answer
    x = 11,327.29

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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.