Home / 11,790.65-16,272.08-6,486.44

Finding the Fourth Proportional to 11,790.65, 16,272.08 and 6,486.44

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Solution

The fourth proportional to 11,790.65, 16,272.08 and 6,486.44 is: 8,951.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.65 : 16,272.08 = 6,486.44 : x
  2. Step 2: Convert to fraction form
    11,790.65/16,272.08 = 6,486.44/x
  3. Step 3: Cross multiply
    11,790.65x = 16,272.08 × 6,486.44
  4. Step 4: Simplify right side
    11,790.65x = 105,547,756.80
  5. Step 5: Solve for x
    x = 105,547,756.80/11,790.65
  6. Step 6: Final answer
    x = 8,951.82

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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.