Home / 38,291.74-57,437.64-11,998.53

Finding the Fourth Proportional to 38,291.74, 57,437.64 and 11,998.53

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Solution

The fourth proportional to 38,291.74, 57,437.64 and 11,998.53 is: 17,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,291.74 : 57,437.64 = 11,998.53 : x
  2. Step 2: Convert to fraction form
    38,291.74/57,437.64 = 11,998.53/x
  3. Step 3: Cross multiply
    38,291.74x = 57,437.64 × 11,998.53
  4. Step 4: Simplify right side
    38,291.74x = 689,167,246.67
  5. Step 5: Solve for x
    x = 689,167,246.67/38,291.74
  6. Step 6: Final answer
    x = 17,997.81

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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.