Home / 11,977.32-16,528.08-6,943.16

Finding the Fourth Proportional to 11,977.32, 16,528.08 and 6,943.16

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Solution

The fourth proportional to 11,977.32, 16,528.08 and 6,943.16 is: 9,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.32 : 16,528.08 = 6,943.16 : x
  2. Step 2: Convert to fraction form
    11,977.32/16,528.08 = 6,943.16/x
  3. Step 3: Cross multiply
    11,977.32x = 16,528.08 × 6,943.16
  4. Step 4: Simplify right side
    11,977.32x = 114,757,103.93
  5. Step 5: Solve for x
    x = 114,757,103.93/11,977.32
  6. Step 6: Final answer
    x = 9,581.20

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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.