Home / 17,287.40-23,849.16-13,302.20

Finding the Fourth Proportional to 17,287.40, 23,849.16 and 13,302.20

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Solution

The fourth proportional to 17,287.40, 23,849.16 and 13,302.20 is: 18,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,287.40 : 23,849.16 = 13,302.20 : x
  2. Step 2: Convert to fraction form
    17,287.40/23,849.16 = 13,302.20/x
  3. Step 3: Cross multiply
    17,287.40x = 23,849.16 × 13,302.20
  4. Step 4: Simplify right side
    17,287.40x = 317,246,296.15
  5. Step 5: Solve for x
    x = 317,246,296.15/17,287.40
  6. Step 6: Final answer
    x = 18,351.30

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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.