Home / 12,177.96-16,805.52-6,874.50

Finding the Fourth Proportional to 12,177.96, 16,805.52 and 6,874.50

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Solution

The fourth proportional to 12,177.96, 16,805.52 and 6,874.50 is: 9,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177.96 : 16,805.52 = 6,874.50 : x
  2. Step 2: Convert to fraction form
    12,177.96/16,805.52 = 6,874.50/x
  3. Step 3: Cross multiply
    12,177.96x = 16,805.52 × 6,874.50
  4. Step 4: Simplify right side
    12,177.96x = 115,529,547.24
  5. Step 5: Solve for x
    x = 115,529,547.24/12,177.96
  6. Step 6: Final answer
    x = 9,486.77

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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.