Home / 14,638.96-20,202.75-8,263.28

Finding the Fourth Proportional to 14,638.96, 20,202.75 and 8,263.28

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Solution

The fourth proportional to 14,638.96, 20,202.75 and 8,263.28 is: 11,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.96 : 20,202.75 = 8,263.28 : x
  2. Step 2: Convert to fraction form
    14,638.96/20,202.75 = 8,263.28/x
  3. Step 3: Cross multiply
    14,638.96x = 20,202.75 × 8,263.28
  4. Step 4: Simplify right side
    14,638.96x = 166,941,030.53
  5. Step 5: Solve for x
    x = 166,941,030.53/14,638.96
  6. Step 6: Final answer
    x = 11,403.88

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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.