Home / 12,754.20-17,600.94-7,089.30

Finding the Fourth Proportional to 12,754.20, 17,600.94 and 7,089.30

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Solution

The fourth proportional to 12,754.20, 17,600.94 and 7,089.30 is: 9,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754.20 : 17,600.94 = 7,089.30 : x
  2. Step 2: Convert to fraction form
    12,754.20/17,600.94 = 7,089.30/x
  3. Step 3: Cross multiply
    12,754.20x = 17,600.94 × 7,089.30
  4. Step 4: Simplify right side
    12,754.20x = 124,778,343.94
  5. Step 5: Solve for x
    x = 124,778,343.94/12,754.20
  6. Step 6: Final answer
    x = 9,783.31

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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.