Home / 12,176.30-16,803.80-6,871.12

Finding the Fourth Proportional to 12,176.30, 16,803.80 and 6,871.12

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Solution

The fourth proportional to 12,176.30, 16,803.80 and 6,871.12 is: 9,482.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.30 : 16,803.80 = 6,871.12 : x
  2. Step 2: Convert to fraction form
    12,176.30/16,803.80 = 6,871.12/x
  3. Step 3: Cross multiply
    12,176.30x = 16,803.80 × 6,871.12
  4. Step 4: Simplify right side
    12,176.30x = 115,460,926.26
  5. Step 5: Solve for x
    x = 115,460,926.26/12,176.30
  6. Step 6: Final answer
    x = 9,482.43

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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.