Home / 13,507.53-20,264.31-4,148.49

Finding the Fourth Proportional to 13,507.53, 20,264.31 and 4,148.49

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Solution

The fourth proportional to 13,507.53, 20,264.31 and 4,148.49 is: 6,223.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507.53 : 20,264.31 = 4,148.49 : x
  2. Step 2: Convert to fraction form
    13,507.53/20,264.31 = 4,148.49/x
  3. Step 3: Cross multiply
    13,507.53x = 20,264.31 × 4,148.49
  4. Step 4: Simplify right side
    13,507.53x = 84,066,309.83
  5. Step 5: Solve for x
    x = 84,066,309.83/13,507.53
  6. Step 6: Final answer
    x = 6,223.66

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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.