Home / 12,256.32-18,388.80-4,465.92

Finding the Fourth Proportional to 12,256.32, 18,388.80 and 4,465.92

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Solution

The fourth proportional to 12,256.32, 18,388.80 and 4,465.92 is: 6,700.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.32 : 18,388.80 = 4,465.92 : x
  2. Step 2: Convert to fraction form
    12,256.32/18,388.80 = 4,465.92/x
  3. Step 3: Cross multiply
    12,256.32x = 18,388.80 × 4,465.92
  4. Step 4: Simplify right side
    12,256.32x = 82,122,909.70
  5. Step 5: Solve for x
    x = 82,122,909.70/12,256.32
  6. Step 6: Final answer
    x = 6,700.45

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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.