Home / 12,483.64-18,727.98-6,247.72

Finding the Fourth Proportional to 12,483.64, 18,727.98 and 6,247.72

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Solution

The fourth proportional to 12,483.64, 18,727.98 and 6,247.72 is: 9,372.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483.64 : 18,727.98 = 6,247.72 : x
  2. Step 2: Convert to fraction form
    12,483.64/18,727.98 = 6,247.72/x
  3. Step 3: Cross multiply
    12,483.64x = 18,727.98 × 6,247.72
  4. Step 4: Simplify right side
    12,483.64x = 117,007,175.21
  5. Step 5: Solve for x
    x = 117,007,175.21/12,483.64
  6. Step 6: Final answer
    x = 9,372.84

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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.