Home / 10,680.96-14,742.36-6,492.72

Finding the Fourth Proportional to 10,680.96, 14,742.36 and 6,492.72

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Solution

The fourth proportional to 10,680.96, 14,742.36 and 6,492.72 is: 8,961.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.96 : 14,742.36 = 6,492.72 : x
  2. Step 2: Convert to fraction form
    10,680.96/14,742.36 = 6,492.72/x
  3. Step 3: Cross multiply
    10,680.96x = 14,742.36 × 6,492.72
  4. Step 4: Simplify right side
    10,680.96x = 95,718,015.62
  5. Step 5: Solve for x
    x = 95,718,015.62/10,680.96
  6. Step 6: Final answer
    x = 8,961.56

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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.