Home / 12,044.40-16,621.28-6,739.32

Finding the Fourth Proportional to 12,044.40, 16,621.28 and 6,739.32

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Solution

The fourth proportional to 12,044.40, 16,621.28 and 6,739.32 is: 9,300.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,044.40 : 16,621.28 = 6,739.32 : x
  2. Step 2: Convert to fraction form
    12,044.40/16,621.28 = 6,739.32/x
  3. Step 3: Cross multiply
    12,044.40x = 16,621.28 × 6,739.32
  4. Step 4: Simplify right side
    12,044.40x = 112,016,124.73
  5. Step 5: Solve for x
    x = 112,016,124.73/12,044.40
  6. Step 6: Final answer
    x = 9,300.27

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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.