Home / 16,985.73-25,452.63-7,119.63

Finding the Fourth Proportional to 16,985.73, 25,452.63 and 7,119.63

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Solution

The fourth proportional to 16,985.73, 25,452.63 and 7,119.63 is: 10,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985.73 : 25,452.63 = 7,119.63 : x
  2. Step 2: Convert to fraction form
    16,985.73/25,452.63 = 7,119.63/x
  3. Step 3: Cross multiply
    16,985.73x = 25,452.63 × 7,119.63
  4. Step 4: Simplify right side
    16,985.73x = 181,213,308.13
  5. Step 5: Solve for x
    x = 181,213,308.13/16,985.73
  6. Step 6: Final answer
    x = 10,668.56

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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.