Home / 11,717.07-16,169.54-6,411.89

Finding the Fourth Proportional to 11,717.07, 16,169.54 and 6,411.89

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Solution

The fourth proportional to 11,717.07, 16,169.54 and 6,411.89 is: 8,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.07 : 16,169.54 = 6,411.89 : x
  2. Step 2: Convert to fraction form
    11,717.07/16,169.54 = 6,411.89/x
  3. Step 3: Cross multiply
    11,717.07x = 16,169.54 × 6,411.89
  4. Step 4: Simplify right side
    11,717.07x = 103,677,311.83
  5. Step 5: Solve for x
    x = 103,677,311.83/11,717.07
  6. Step 6: Final answer
    x = 8,848.40

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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.