Home / 19,319.25-26,660.57-10,935.75

Finding the Fourth Proportional to 19,319.25, 26,660.57 and 10,935.75

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Solution

The fourth proportional to 19,319.25, 26,660.57 and 10,935.75 is: 15,091.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.25 : 26,660.57 = 10,935.75 : x
  2. Step 2: Convert to fraction form
    19,319.25/26,660.57 = 10,935.75/x
  3. Step 3: Cross multiply
    19,319.25x = 26,660.57 × 10,935.75
  4. Step 4: Simplify right side
    19,319.25x = 291,553,273.70
  5. Step 5: Solve for x
    x = 291,553,273.70/19,319.25
  6. Step 6: Final answer
    x = 15,091.34

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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.