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Finding the Fourth Proportional to 14,497.92, 21,741.76 and 6,898.32

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Solution

The fourth proportional to 14,497.92, 21,741.76 and 6,898.32 is: 10,345.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,497.92 : 21,741.76 = 6,898.32 : x
  2. Step 2: Convert to fraction form
    14,497.92/21,741.76 = 6,898.32/x
  3. Step 3: Cross multiply
    14,497.92x = 21,741.76 × 6,898.32
  4. Step 4: Simplify right side
    14,497.92x = 149,981,617.84
  5. Step 5: Solve for x
    x = 149,981,617.84/14,497.92
  6. Step 6: Final answer
    x = 10,345.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.