Home / 11,187.47-16,847.79-9,744.05

Finding the Fourth Proportional to 11,187.47, 16,847.79 and 9,744.05

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Solution

The fourth proportional to 11,187.47, 16,847.79 and 9,744.05 is: 14,674.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.47 : 16,847.79 = 9,744.05 : x
  2. Step 2: Convert to fraction form
    11,187.47/16,847.79 = 9,744.05/x
  3. Step 3: Cross multiply
    11,187.47x = 16,847.79 × 9,744.05
  4. Step 4: Simplify right side
    11,187.47x = 164,165,623.91
  5. Step 5: Solve for x
    x = 164,165,623.91/11,187.47
  6. Step 6: Final answer
    x = 14,674.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.