Home / 19,003.52-26,221.92-10,618.40

Finding the Fourth Proportional to 19,003.52, 26,221.92 and 10,618.40

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Solution

The fourth proportional to 19,003.52, 26,221.92 and 10,618.40 is: 14,651.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003.52 : 26,221.92 = 10,618.40 : x
  2. Step 2: Convert to fraction form
    19,003.52/26,221.92 = 10,618.40/x
  3. Step 3: Cross multiply
    19,003.52x = 26,221.92 × 10,618.40
  4. Step 4: Simplify right side
    19,003.52x = 278,434,835.33
  5. Step 5: Solve for x
    x = 278,434,835.33/19,003.52
  6. Step 6: Final answer
    x = 14,651.75

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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.