Home / 12,176.64-16,803.70-6,798.78

Finding the Fourth Proportional to 12,176.64, 16,803.70 and 6,798.78

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Solution

The fourth proportional to 12,176.64, 16,803.70 and 6,798.78 is: 9,382.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.64 : 16,803.70 = 6,798.78 : x
  2. Step 2: Convert to fraction form
    12,176.64/16,803.70 = 6,798.78/x
  3. Step 3: Cross multiply
    12,176.64x = 16,803.70 × 6,798.78
  4. Step 4: Simplify right side
    12,176.64x = 114,244,642.49
  5. Step 5: Solve for x
    x = 114,244,642.49/12,176.64
  6. Step 6: Final answer
    x = 9,382.28

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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.