Home / 20,394.96-30,592.40-8,700.72

Finding the Fourth Proportional to 20,394.96, 30,592.40 and 8,700.72

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Solution

The fourth proportional to 20,394.96, 30,592.40 and 8,700.72 is: 13,051.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,394.96 : 30,592.40 = 8,700.72 : x
  2. Step 2: Convert to fraction form
    20,394.96/30,592.40 = 8,700.72/x
  3. Step 3: Cross multiply
    20,394.96x = 30,592.40 × 8,700.72
  4. Step 4: Simplify right side
    20,394.96x = 266,175,906.53
  5. Step 5: Solve for x
    x = 266,175,906.53/20,394.96
  6. Step 6: Final answer
    x = 13,051.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.