Home / 11,271.42-15,555.42-6,492.84

Finding the Fourth Proportional to 11,271.42, 15,555.42 and 6,492.84

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Solution

The fourth proportional to 11,271.42, 15,555.42 and 6,492.84 is: 8,960.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.42 : 15,555.42 = 6,492.84 : x
  2. Step 2: Convert to fraction form
    11,271.42/15,555.42 = 6,492.84/x
  3. Step 3: Cross multiply
    11,271.42x = 15,555.42 × 6,492.84
  4. Step 4: Simplify right side
    11,271.42x = 100,998,853.19
  5. Step 5: Solve for x
    x = 100,998,853.19/11,271.42
  6. Step 6: Final answer
    x = 8,960.61

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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.