Home / 11,929.08-16,460.58-6,622.87

Finding the Fourth Proportional to 11,929.08, 16,460.58 and 6,622.87

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Solution

The fourth proportional to 11,929.08, 16,460.58 and 6,622.87 is: 9,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.08 : 16,460.58 = 6,622.87 : x
  2. Step 2: Convert to fraction form
    11,929.08/16,460.58 = 6,622.87/x
  3. Step 3: Cross multiply
    11,929.08x = 16,460.58 × 6,622.87
  4. Step 4: Simplify right side
    11,929.08x = 109,016,207.20
  5. Step 5: Solve for x
    x = 109,016,207.20/11,929.08
  6. Step 6: Final answer
    x = 9,138.70

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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.