Home / 18,744.36-28,102.64-11,347.06

Finding the Fourth Proportional to 18,744.36, 28,102.64 and 11,347.06

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Solution

The fourth proportional to 18,744.36, 28,102.64 and 11,347.06 is: 17,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.36 : 28,102.64 = 11,347.06 : x
  2. Step 2: Convert to fraction form
    18,744.36/28,102.64 = 11,347.06/x
  3. Step 3: Cross multiply
    18,744.36x = 28,102.64 × 11,347.06
  4. Step 4: Simplify right side
    18,744.36x = 318,882,342.24
  5. Step 5: Solve for x
    x = 318,882,342.24/18,744.36
  6. Step 6: Final answer
    x = 17,012.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.