Home / 19,385.05-26,751.39-11,001.55

Finding the Fourth Proportional to 19,385.05, 26,751.39 and 11,001.55

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Solution

The fourth proportional to 19,385.05, 26,751.39 and 11,001.55 is: 15,182.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385.05 : 26,751.39 = 11,001.55 : x
  2. Step 2: Convert to fraction form
    19,385.05/26,751.39 = 11,001.55/x
  3. Step 3: Cross multiply
    19,385.05x = 26,751.39 × 11,001.55
  4. Step 4: Simplify right side
    19,385.05x = 294,306,754.65
  5. Step 5: Solve for x
    x = 294,306,754.65/19,385.05
  6. Step 6: Final answer
    x = 15,182.15

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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.