Home / 12,513.32-18,774.94-4,724.36

Finding the Fourth Proportional to 12,513.32, 18,774.94 and 4,724.36

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Solution

The fourth proportional to 12,513.32, 18,774.94 and 4,724.36 is: 7,088.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513.32 : 18,774.94 = 4,724.36 : x
  2. Step 2: Convert to fraction form
    12,513.32/18,774.94 = 4,724.36/x
  3. Step 3: Cross multiply
    12,513.32x = 18,774.94 × 4,724.36
  4. Step 4: Simplify right side
    12,513.32x = 88,699,575.54
  5. Step 5: Solve for x
    x = 88,699,575.54/12,513.32
  6. Step 6: Final answer
    x = 7,088.41

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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.