Home / 19,955.04-27,538.07-11,002.39

Finding the Fourth Proportional to 19,955.04, 27,538.07 and 11,002.39

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Solution

The fourth proportional to 19,955.04, 27,538.07 and 11,002.39 is: 15,183.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.04 : 27,538.07 = 11,002.39 : x
  2. Step 2: Convert to fraction form
    19,955.04/27,538.07 = 11,002.39/x
  3. Step 3: Cross multiply
    19,955.04x = 27,538.07 × 11,002.39
  4. Step 4: Simplify right side
    19,955.04x = 302,984,524.02
  5. Step 5: Solve for x
    x = 302,984,524.02/19,955.04
  6. Step 6: Final answer
    x = 15,183.36

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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.