Home / 19,080.70-26,332.05-11,121.64

Finding the Fourth Proportional to 19,080.70, 26,332.05 and 11,121.64

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Solution

The fourth proportional to 19,080.70, 26,332.05 and 11,121.64 is: 15,348.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.70 : 26,332.05 = 11,121.64 : x
  2. Step 2: Convert to fraction form
    19,080.70/26,332.05 = 11,121.64/x
  3. Step 3: Cross multiply
    19,080.70x = 26,332.05 × 11,121.64
  4. Step 4: Simplify right side
    19,080.70x = 292,855,580.56
  5. Step 5: Solve for x
    x = 292,855,580.56/19,080.70
  6. Step 6: Final answer
    x = 15,348.26

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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.