Home / 12,015.64-16,581.68-6,710.88

Finding the Fourth Proportional to 12,015.64, 16,581.68 and 6,710.88

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Solution

The fourth proportional to 12,015.64, 16,581.68 and 6,710.88 is: 9,261.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.64 : 16,581.68 = 6,710.88 : x
  2. Step 2: Convert to fraction form
    12,015.64/16,581.68 = 6,710.88/x
  3. Step 3: Cross multiply
    12,015.64x = 16,581.68 × 6,710.88
  4. Step 4: Simplify right side
    12,015.64x = 111,277,664.68
  5. Step 5: Solve for x
    x = 111,277,664.68/12,015.64
  6. Step 6: Final answer
    x = 9,261.07

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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.