Home / 12,748.65-17,592.56-7,083.80

Finding the Fourth Proportional to 12,748.65, 17,592.56 and 7,083.80

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Solution

The fourth proportional to 12,748.65, 17,592.56 and 7,083.80 is: 9,775.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748.65 : 17,592.56 = 7,083.80 : x
  2. Step 2: Convert to fraction form
    12,748.65/17,592.56 = 7,083.80/x
  3. Step 3: Cross multiply
    12,748.65x = 17,592.56 × 7,083.80
  4. Step 4: Simplify right side
    12,748.65x = 124,622,106.27
  5. Step 5: Solve for x
    x = 124,622,106.27/12,748.65
  6. Step 6: Final answer
    x = 9,775.32

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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.