Home / 13,507.86-20,261.73-3,648.15

Finding the Fourth Proportional to 13,507.86, 20,261.73 and 3,648.15

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Solution

The fourth proportional to 13,507.86, 20,261.73 and 3,648.15 is: 5,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507.86 : 20,261.73 = 3,648.15 : x
  2. Step 2: Convert to fraction form
    13,507.86/20,261.73 = 3,648.15/x
  3. Step 3: Cross multiply
    13,507.86x = 20,261.73 × 3,648.15
  4. Step 4: Simplify right side
    13,507.86x = 73,917,830.30
  5. Step 5: Solve for x
    x = 73,917,830.30/13,507.86
  6. Step 6: Final answer
    x = 5,472.21

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1.5x scale

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.