Home / 11,709.13-16,159.02-6,674.11

Finding the Fourth Proportional to 11,709.13, 16,159.02 and 6,674.11

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Solution

The fourth proportional to 11,709.13, 16,159.02 and 6,674.11 is: 9,210.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.13 : 16,159.02 = 6,674.11 : x
  2. Step 2: Convert to fraction form
    11,709.13/16,159.02 = 6,674.11/x
  3. Step 3: Cross multiply
    11,709.13x = 16,159.02 × 6,674.11
  4. Step 4: Simplify right side
    11,709.13x = 107,847,076.97
  5. Step 5: Solve for x
    x = 107,847,076.97/11,709.13
  6. Step 6: Final answer
    x = 9,210.51

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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.