Home / 13,126.05-19,688.72-4,241.36

Finding the Fourth Proportional to 13,126.05, 19,688.72 and 4,241.36

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Solution

The fourth proportional to 13,126.05, 19,688.72 and 4,241.36 is: 6,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.05 : 19,688.72 = 4,241.36 : x
  2. Step 2: Convert to fraction form
    13,126.05/19,688.72 = 4,241.36/x
  3. Step 3: Cross multiply
    13,126.05x = 19,688.72 × 4,241.36
  4. Step 4: Simplify right side
    13,126.05x = 83,506,977.47
  5. Step 5: Solve for x
    x = 83,506,977.47/13,126.05
  6. Step 6: Final answer
    x = 6,361.93

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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.