Home / 14,654.55-20,232.45-11,290.98

Finding the Fourth Proportional to 14,654.55, 20,232.45 and 11,290.98

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Solution

The fourth proportional to 14,654.55, 20,232.45 and 11,290.98 is: 15,588.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.55 : 20,232.45 = 11,290.98 : x
  2. Step 2: Convert to fraction form
    14,654.55/20,232.45 = 11,290.98/x
  3. Step 3: Cross multiply
    14,654.55x = 20,232.45 × 11,290.98
  4. Step 4: Simplify right side
    14,654.55x = 228,444,188.30
  5. Step 5: Solve for x
    x = 228,444,188.30/14,654.55
  6. Step 6: Final answer
    x = 15,588.62

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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.