Home / 11,117.16-16,682.70-5,780.88

Finding the Fourth Proportional to 11,117.16, 16,682.70 and 5,780.88

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Solution

The fourth proportional to 11,117.16, 16,682.70 and 5,780.88 is: 8,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.16 : 16,682.70 = 5,780.88 : x
  2. Step 2: Convert to fraction form
    11,117.16/16,682.70 = 5,780.88/x
  3. Step 3: Cross multiply
    11,117.16x = 16,682.70 × 5,780.88
  4. Step 4: Simplify right side
    11,117.16x = 96,440,686.78
  5. Step 5: Solve for x
    x = 96,440,686.78/11,117.16
  6. Step 6: Final answer
    x = 8,674.94

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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.