Home / 11,900.29-16,423.13-6,864.42

Finding the Fourth Proportional to 11,900.29, 16,423.13 and 6,864.42

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Solution

The fourth proportional to 11,900.29, 16,423.13 and 6,864.42 is: 9,473.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900.29 : 16,423.13 = 6,864.42 : x
  2. Step 2: Convert to fraction form
    11,900.29/16,423.13 = 6,864.42/x
  3. Step 3: Cross multiply
    11,900.29x = 16,423.13 × 6,864.42
  4. Step 4: Simplify right side
    11,900.29x = 112,735,262.03
  5. Step 5: Solve for x
    x = 112,735,262.03/11,900.29
  6. Step 6: Final answer
    x = 9,473.32

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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.