Home / 13,114.21-19,681.68-5,723.86

Finding the Fourth Proportional to 13,114.21, 19,681.68 and 5,723.86

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Solution

The fourth proportional to 13,114.21, 19,681.68 and 5,723.86 is: 8,590.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.21 : 19,681.68 = 5,723.86 : x
  2. Step 2: Convert to fraction form
    13,114.21/19,681.68 = 5,723.86/x
  3. Step 3: Cross multiply
    13,114.21x = 19,681.68 × 5,723.86
  4. Step 4: Simplify right side
    13,114.21x = 112,655,110.22
  5. Step 5: Solve for x
    x = 112,655,110.22/13,114.21
  6. Step 6: Final answer
    x = 8,590.31

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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.