Home / 9,431.76-13,010.24-6,446.08

Finding the Fourth Proportional to 9,431.76, 13,010.24 and 6,446.08

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Solution

The fourth proportional to 9,431.76, 13,010.24 and 6,446.08 is: 8,891.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.76 : 13,010.24 = 6,446.08 : x
  2. Step 2: Convert to fraction form
    9,431.76/13,010.24 = 6,446.08/x
  3. Step 3: Cross multiply
    9,431.76x = 13,010.24 × 6,446.08
  4. Step 4: Simplify right side
    9,431.76x = 83,865,047.86
  5. Step 5: Solve for x
    x = 83,865,047.86/9,431.76
  6. Step 6: Final answer
    x = 8,891.77

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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.