Home / 11,933.19-16,468.72-6,628.91

Finding the Fourth Proportional to 11,933.19, 16,468.72 and 6,628.91

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Solution

The fourth proportional to 11,933.19, 16,468.72 and 6,628.91 is: 9,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.19 : 16,468.72 = 6,628.91 : x
  2. Step 2: Convert to fraction form
    11,933.19/16,468.72 = 6,628.91/x
  3. Step 3: Cross multiply
    11,933.19x = 16,468.72 × 6,628.91
  4. Step 4: Simplify right side
    11,933.19x = 109,169,563.78
  5. Step 5: Solve for x
    x = 109,169,563.78/11,933.19
  6. Step 6: Final answer
    x = 9,148.40

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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.