Home / 20,169.81-27,835.01-11,095.55

Finding the Fourth Proportional to 20,169.81, 27,835.01 and 11,095.55

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Solution

The fourth proportional to 20,169.81, 27,835.01 and 11,095.55 is: 15,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169.81 : 27,835.01 = 11,095.55 : x
  2. Step 2: Convert to fraction form
    20,169.81/27,835.01 = 11,095.55/x
  3. Step 3: Cross multiply
    20,169.81x = 27,835.01 × 11,095.55
  4. Step 4: Simplify right side
    20,169.81x = 308,844,696.54
  5. Step 5: Solve for x
    x = 308,844,696.54/20,169.81
  6. Step 6: Final answer
    x = 15,312.23

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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.