Home / 12,028.12-16,598.16-6,721.92

Finding the Fourth Proportional to 12,028.12, 16,598.16 and 6,721.92

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Solution

The fourth proportional to 12,028.12, 16,598.16 and 6,721.92 is: 9,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.12 : 16,598.16 = 6,721.92 : x
  2. Step 2: Convert to fraction form
    12,028.12/16,598.16 = 6,721.92/x
  3. Step 3: Cross multiply
    12,028.12x = 16,598.16 × 6,721.92
  4. Step 4: Simplify right side
    12,028.12x = 111,571,503.67
  5. Step 5: Solve for x
    x = 111,571,503.67/12,028.12
  6. Step 6: Final answer
    x = 9,275.89

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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.