Home / 13,256.55-19,857.96-6,130.66

Finding the Fourth Proportional to 13,256.55, 19,857.96 and 6,130.66

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Solution

The fourth proportional to 13,256.55, 19,857.96 and 6,130.66 is: 9,183.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.55 : 19,857.96 = 6,130.66 : x
  2. Step 2: Convert to fraction form
    13,256.55/19,857.96 = 6,130.66/x
  3. Step 3: Cross multiply
    13,256.55x = 19,857.96 × 6,130.66
  4. Step 4: Simplify right side
    13,256.55x = 121,742,401.05
  5. Step 5: Solve for x
    x = 121,742,401.05/13,256.55
  6. Step 6: Final answer
    x = 9,183.57

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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.