Home / 11,747.08-16,210.62-6,711.28

Finding the Fourth Proportional to 11,747.08, 16,210.62 and 6,711.28

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Solution

The fourth proportional to 11,747.08, 16,210.62 and 6,711.28 is: 9,261.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.08 : 16,210.62 = 6,711.28 : x
  2. Step 2: Convert to fraction form
    11,747.08/16,210.62 = 6,711.28/x
  3. Step 3: Cross multiply
    11,747.08x = 16,210.62 × 6,711.28
  4. Step 4: Simplify right side
    11,747.08x = 108,794,009.79
  5. Step 5: Solve for x
    x = 108,794,009.79/11,747.08
  6. Step 6: Final answer
    x = 9,261.37

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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.