Home / 17,085.80-25,647.90-13,207.40

Finding the Fourth Proportional to 17,085.80, 25,647.90 and 13,207.40

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Solution

The fourth proportional to 17,085.80, 25,647.90 and 13,207.40 is: 19,825.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,085.80 : 25,647.90 = 13,207.40 : x
  2. Step 2: Convert to fraction form
    17,085.80/25,647.90 = 13,207.40/x
  3. Step 3: Cross multiply
    17,085.80x = 25,647.90 × 13,207.40
  4. Step 4: Simplify right side
    17,085.80x = 338,742,074.46
  5. Step 5: Solve for x
    x = 338,742,074.46/17,085.80
  6. Step 6: Final answer
    x = 19,825.94

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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.