Home / 45,128.98-67,693.24-11,395.06

Finding the Fourth Proportional to 45,128.98, 67,693.24 and 11,395.06

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Solution

The fourth proportional to 45,128.98, 67,693.24 and 11,395.06 is: 17,092.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,128.98 : 67,693.24 = 11,395.06 : x
  2. Step 2: Convert to fraction form
    45,128.98/67,693.24 = 11,395.06/x
  3. Step 3: Cross multiply
    45,128.98x = 67,693.24 × 11,395.06
  4. Step 4: Simplify right side
    45,128.98x = 771,368,531.39
  5. Step 5: Solve for x
    x = 771,368,531.39/45,128.98
  6. Step 6: Final answer
    x = 17,092.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.