Home / 17,478.36-26,195.64-13,765.92

Finding the Fourth Proportional to 17,478.36, 26,195.64 and 13,765.92

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Solution

The fourth proportional to 17,478.36, 26,195.64 and 13,765.92 is: 20,631.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.36 : 26,195.64 = 13,765.92 : x
  2. Step 2: Convert to fraction form
    17,478.36/26,195.64 = 13,765.92/x
  3. Step 3: Cross multiply
    17,478.36x = 26,195.64 × 13,765.92
  4. Step 4: Simplify right side
    17,478.36x = 360,607,084.59
  5. Step 5: Solve for x
    x = 360,607,084.59/17,478.36
  6. Step 6: Final answer
    x = 20,631.63

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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.