Home / 12,547.55-18,823.37-5,150.02

Finding the Fourth Proportional to 12,547.55, 18,823.37 and 5,150.02

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Solution

The fourth proportional to 12,547.55, 18,823.37 and 5,150.02 is: 7,725.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.55 : 18,823.37 = 5,150.02 : x
  2. Step 2: Convert to fraction form
    12,547.55/18,823.37 = 5,150.02/x
  3. Step 3: Cross multiply
    12,547.55x = 18,823.37 × 5,150.02
  4. Step 4: Simplify right side
    12,547.55x = 96,940,731.97
  5. Step 5: Solve for x
    x = 96,940,731.97/12,547.55
  6. Step 6: Final answer
    x = 7,725.87

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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.