Home / 12,505.43-17,259.80-8,034.77

Finding the Fourth Proportional to 12,505.43, 17,259.80 and 8,034.77

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Solution

The fourth proportional to 12,505.43, 17,259.80 and 8,034.77 is: 11,089.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.43 : 17,259.80 = 8,034.77 : x
  2. Step 2: Convert to fraction form
    12,505.43/17,259.80 = 8,034.77/x
  3. Step 3: Cross multiply
    12,505.43x = 17,259.80 × 8,034.77
  4. Step 4: Simplify right side
    12,505.43x = 138,678,396.77
  5. Step 5: Solve for x
    x = 138,678,396.77/12,505.43
  6. Step 6: Final answer
    x = 11,089.46

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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.