Home / 11,718.76-16,171.50-7,000.24

Finding the Fourth Proportional to 11,718.76, 16,171.50 and 7,000.24

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Solution

The fourth proportional to 11,718.76, 16,171.50 and 7,000.24 is: 9,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.76 : 16,171.50 = 7,000.24 : x
  2. Step 2: Convert to fraction form
    11,718.76/16,171.50 = 7,000.24/x
  3. Step 3: Cross multiply
    11,718.76x = 16,171.50 × 7,000.24
  4. Step 4: Simplify right side
    11,718.76x = 113,204,381.16
  5. Step 5: Solve for x
    x = 113,204,381.16/11,718.76
  6. Step 6: Final answer
    x = 9,660.10

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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.