Home / 12,468.32-18,707.52-4,679.36

Finding the Fourth Proportional to 12,468.32, 18,707.52 and 4,679.36

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Solution

The fourth proportional to 12,468.32, 18,707.52 and 4,679.36 is: 7,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.32 : 18,707.52 = 4,679.36 : x
  2. Step 2: Convert to fraction form
    12,468.32/18,707.52 = 4,679.36/x
  3. Step 3: Cross multiply
    12,468.32x = 18,707.52 × 4,679.36
  4. Step 4: Simplify right side
    12,468.32x = 87,539,220.79
  5. Step 5: Solve for x
    x = 87,539,220.79/12,468.32
  6. Step 6: Final answer
    x = 7,020.93

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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.