Home / 38,246.86-57,378.39-11,953.59

Finding the Fourth Proportional to 38,246.86, 57,378.39 and 11,953.59

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Solution

The fourth proportional to 38,246.86, 57,378.39 and 11,953.59 is: 17,932.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,246.86 : 57,378.39 = 11,953.59 : x
  2. Step 2: Convert to fraction form
    38,246.86/57,378.39 = 11,953.59/x
  3. Step 3: Cross multiply
    38,246.86x = 57,378.39 × 11,953.59
  4. Step 4: Simplify right side
    38,246.86x = 685,877,748.92
  5. Step 5: Solve for x
    x = 685,877,748.92/38,246.86
  6. Step 6: Final answer
    x = 17,932.92

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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.