Home / 18,918-26,106.84-10,536.48

Finding the Fourth Proportional to 18,918, 26,106.84 and 10,536.48

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Solution

The fourth proportional to 18,918, 26,106.84 and 10,536.48 is: 14,540.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,918 : 26,106.84 = 10,536.48 : x
  2. Step 2: Convert to fraction form
    18,918/26,106.84 = 10,536.48/x
  3. Step 3: Cross multiply
    18,918x = 26,106.84 × 10,536.48
  4. Step 4: Simplify right side
    18,918x = 275,074,197.52
  5. Step 5: Solve for x
    x = 275,074,197.52/18,918
  6. Step 6: Final answer
    x = 14,540.34

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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.