Home / 14,555.40-20,086.48-8,267.80

Finding the Fourth Proportional to 14,555.40, 20,086.48 and 8,267.80

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Solution

The fourth proportional to 14,555.40, 20,086.48 and 8,267.80 is: 11,409.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.40 : 20,086.48 = 8,267.80 : x
  2. Step 2: Convert to fraction form
    14,555.40/20,086.48 = 8,267.80/x
  3. Step 3: Cross multiply
    14,555.40x = 20,086.48 × 8,267.80
  4. Step 4: Simplify right side
    14,555.40x = 166,070,999.34
  5. Step 5: Solve for x
    x = 166,070,999.34/14,555.40
  6. Step 6: Final answer
    x = 11,409.58

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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.