Home / 12,436.40-18,656.32-4,537.86

Finding the Fourth Proportional to 12,436.40, 18,656.32 and 4,537.86

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Solution

The fourth proportional to 12,436.40, 18,656.32 and 4,537.86 is: 6,807.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.40 : 18,656.32 = 4,537.86 : x
  2. Step 2: Convert to fraction form
    12,436.40/18,656.32 = 4,537.86/x
  3. Step 3: Cross multiply
    12,436.40x = 18,656.32 × 4,537.86
  4. Step 4: Simplify right side
    12,436.40x = 84,659,768.28
  5. Step 5: Solve for x
    x = 84,659,768.28/12,436.40
  6. Step 6: Final answer
    x = 6,807.42

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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.