Home / 12,576.41-17,354.24-7,539.69

Finding the Fourth Proportional to 12,576.41, 17,354.24 and 7,539.69

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Solution

The fourth proportional to 12,576.41, 17,354.24 and 7,539.69 is: 10,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.41 : 17,354.24 = 7,539.69 : x
  2. Step 2: Convert to fraction form
    12,576.41/17,354.24 = 7,539.69/x
  3. Step 3: Cross multiply
    12,576.41x = 17,354.24 × 7,539.69
  4. Step 4: Simplify right side
    12,576.41x = 130,845,552.09
  5. Step 5: Solve for x
    x = 130,845,552.09/12,576.41
  6. Step 6: Final answer
    x = 10,404.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.