Home / 17,554.82-26,341.34-13,421.39

Finding the Fourth Proportional to 17,554.82, 26,341.34 and 13,421.39

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Solution

The fourth proportional to 17,554.82, 26,341.34 and 13,421.39 is: 20,139.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,554.82 : 26,341.34 = 13,421.39 : x
  2. Step 2: Convert to fraction form
    17,554.82/26,341.34 = 13,421.39/x
  3. Step 3: Cross multiply
    17,554.82x = 26,341.34 × 13,421.39
  4. Step 4: Simplify right side
    17,554.82x = 353,537,198.45
  5. Step 5: Solve for x
    x = 353,537,198.45/17,554.82
  6. Step 6: Final answer
    x = 20,139.04

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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.