Home / 17,143.20-25,739.10-10,582.20

Finding the Fourth Proportional to 17,143.20, 25,739.10 and 10,582.20

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Solution

The fourth proportional to 17,143.20, 25,739.10 and 10,582.20 is: 15,888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,143.20 : 25,739.10 = 10,582.20 : x
  2. Step 2: Convert to fraction form
    17,143.20/25,739.10 = 10,582.20/x
  3. Step 3: Cross multiply
    17,143.20x = 25,739.10 × 10,582.20
  4. Step 4: Simplify right side
    17,143.20x = 272,376,304.02
  5. Step 5: Solve for x
    x = 272,376,304.02/17,143.20
  6. Step 6: Final answer
    x = 15,888.30

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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.