Home / 13,384.23-20,061.86-8,707.59

Finding the Fourth Proportional to 13,384.23, 20,061.86 and 8,707.59

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Solution

The fourth proportional to 13,384.23, 20,061.86 and 8,707.59 is: 13,051.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384.23 : 20,061.86 = 8,707.59 : x
  2. Step 2: Convert to fraction form
    13,384.23/20,061.86 = 8,707.59/x
  3. Step 3: Cross multiply
    13,384.23x = 20,061.86 × 8,707.59
  4. Step 4: Simplify right side
    13,384.23x = 174,690,407.98
  5. Step 5: Solve for x
    x = 174,690,407.98/13,384.23
  6. Step 6: Final answer
    x = 13,051.96

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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.