Home / 16,851.76-25,277.40-7,489.30

Finding the Fourth Proportional to 16,851.76, 25,277.40 and 7,489.30

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Solution

The fourth proportional to 16,851.76, 25,277.40 and 7,489.30 is: 11,233.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851.76 : 25,277.40 = 7,489.30 : x
  2. Step 2: Convert to fraction form
    16,851.76/25,277.40 = 7,489.30/x
  3. Step 3: Cross multiply
    16,851.76x = 25,277.40 × 7,489.30
  4. Step 4: Simplify right side
    16,851.76x = 189,310,031.82
  5. Step 5: Solve for x
    x = 189,310,031.82/16,851.76
  6. Step 6: Final answer
    x = 11,233.84

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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.