Home / 17,023.80-25,554.90-13,145.40

Finding the Fourth Proportional to 17,023.80, 25,554.90 and 13,145.40

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Solution

The fourth proportional to 17,023.80, 25,554.90 and 13,145.40 is: 19,732.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,023.80 : 25,554.90 = 13,145.40 : x
  2. Step 2: Convert to fraction form
    17,023.80/25,554.90 = 13,145.40/x
  3. Step 3: Cross multiply
    17,023.80x = 25,554.90 × 13,145.40
  4. Step 4: Simplify right side
    17,023.80x = 335,929,382.46
  5. Step 5: Solve for x
    x = 335,929,382.46/17,023.80
  6. Step 6: Final answer
    x = 19,732.93

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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.