Home / 12,576.56-17,354.45-7,539.84

Finding the Fourth Proportional to 12,576.56, 17,354.45 and 7,539.84

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Solution

The fourth proportional to 12,576.56, 17,354.45 and 7,539.84 is: 10,404.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.56 : 17,354.45 = 7,539.84 : x
  2. Step 2: Convert to fraction form
    12,576.56/17,354.45 = 7,539.84/x
  3. Step 3: Cross multiply
    12,576.56x = 17,354.45 × 7,539.84
  4. Step 4: Simplify right side
    12,576.56x = 130,849,795.14
  5. Step 5: Solve for x
    x = 130,849,795.14/12,576.56
  6. Step 6: Final answer
    x = 10,404.26

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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.