Home / 11,875.33-16,387.83-6,497.72

Finding the Fourth Proportional to 11,875.33, 16,387.83 and 6,497.72

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Solution

The fourth proportional to 11,875.33, 16,387.83 and 6,497.72 is: 8,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.33 : 16,387.83 = 6,497.72 : x
  2. Step 2: Convert to fraction form
    11,875.33/16,387.83 = 6,497.72/x
  3. Step 3: Cross multiply
    11,875.33x = 16,387.83 × 6,497.72
  4. Step 4: Simplify right side
    11,875.33x = 106,483,416.32
  5. Step 5: Solve for x
    x = 106,483,416.32/11,875.33
  6. Step 6: Final answer
    x = 8,966.78

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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.