Home / 13,656.24-20,468.16-5,848.56

Finding the Fourth Proportional to 13,656.24, 20,468.16 and 5,848.56

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Solution

The fourth proportional to 13,656.24, 20,468.16 and 5,848.56 is: 8,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.24 : 20,468.16 = 5,848.56 : x
  2. Step 2: Convert to fraction form
    13,656.24/20,468.16 = 5,848.56/x
  3. Step 3: Cross multiply
    13,656.24x = 20,468.16 × 5,848.56
  4. Step 4: Simplify right side
    13,656.24x = 119,709,261.85
  5. Step 5: Solve for x
    x = 119,709,261.85/13,656.24
  6. Step 6: Final answer
    x = 8,765.90

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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.