Home / 13,374.96-20,051.14-8,433.72

Finding the Fourth Proportional to 13,374.96, 20,051.14 and 8,433.72

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Solution

The fourth proportional to 13,374.96, 20,051.14 and 8,433.72 is: 12,643.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.96 : 20,051.14 = 8,433.72 : x
  2. Step 2: Convert to fraction form
    13,374.96/20,051.14 = 8,433.72/x
  3. Step 3: Cross multiply
    13,374.96x = 20,051.14 × 8,433.72
  4. Step 4: Simplify right side
    13,374.96x = 169,105,700.44
  5. Step 5: Solve for x
    x = 169,105,700.44/13,374.96
  6. Step 6: Final answer
    x = 12,643.45

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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.