Home / 12,028.28-16,598.90-6,651.06

Finding the Fourth Proportional to 12,028.28, 16,598.90 and 6,651.06

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Solution

The fourth proportional to 12,028.28, 16,598.90 and 6,651.06 is: 9,178.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.28 : 16,598.90 = 6,651.06 : x
  2. Step 2: Convert to fraction form
    12,028.28/16,598.90 = 6,651.06/x
  3. Step 3: Cross multiply
    12,028.28x = 16,598.90 × 6,651.06
  4. Step 4: Simplify right side
    12,028.28x = 110,400,279.83
  5. Step 5: Solve for x
    x = 110,400,279.83/12,028.28
  6. Step 6: Final answer
    x = 9,178.39

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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.