Home / 10,438.72-14,405.88-6,246.16

Finding the Fourth Proportional to 10,438.72, 14,405.88 and 6,246.16

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Solution

The fourth proportional to 10,438.72, 14,405.88 and 6,246.16 is: 8,619.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.72 : 14,405.88 = 6,246.16 : x
  2. Step 2: Convert to fraction form
    10,438.72/14,405.88 = 6,246.16/x
  3. Step 3: Cross multiply
    10,438.72x = 14,405.88 × 6,246.16
  4. Step 4: Simplify right side
    10,438.72x = 89,981,431.42
  5. Step 5: Solve for x
    x = 89,981,431.42/10,438.72
  6. Step 6: Final answer
    x = 8,619.97

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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.