Home / 13,108.93-19,655.81-8,953.96

Finding the Fourth Proportional to 13,108.93, 19,655.81 and 8,953.96

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Solution

The fourth proportional to 13,108.93, 19,655.81 and 8,953.96 is: 13,425.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.93 : 19,655.81 = 8,953.96 : x
  2. Step 2: Convert to fraction form
    13,108.93/19,655.81 = 8,953.96/x
  3. Step 3: Cross multiply
    13,108.93x = 19,655.81 × 8,953.96
  4. Step 4: Simplify right side
    13,108.93x = 175,997,343.13
  5. Step 5: Solve for x
    x = 175,997,343.13/13,108.93
  6. Step 6: Final answer
    x = 13,425.76

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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.