Home / 12,497.89-18,741.33-6,653.11

Finding the Fourth Proportional to 12,497.89, 18,741.33 and 6,653.11

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Solution

The fourth proportional to 12,497.89, 18,741.33 and 6,653.11 is: 9,976.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.89 : 18,741.33 = 6,653.11 : x
  2. Step 2: Convert to fraction form
    12,497.89/18,741.33 = 6,653.11/x
  3. Step 3: Cross multiply
    12,497.89x = 18,741.33 × 6,653.11
  4. Step 4: Simplify right side
    12,497.89x = 124,688,130.04
  5. Step 5: Solve for x
    x = 124,688,130.04/12,497.89
  6. Step 6: Final answer
    x = 9,976.73

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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.