Home / 10,990.04-16,480.12-6,549.80

Finding the Fourth Proportional to 10,990.04, 16,480.12 and 6,549.80

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Solution

The fourth proportional to 10,990.04, 16,480.12 and 6,549.80 is: 9,821.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.04 : 16,480.12 = 6,549.80 : x
  2. Step 2: Convert to fraction form
    10,990.04/16,480.12 = 6,549.80/x
  3. Step 3: Cross multiply
    10,990.04x = 16,480.12 × 6,549.80
  4. Step 4: Simplify right side
    10,990.04x = 107,941,489.98
  5. Step 5: Solve for x
    x = 107,941,489.98/10,990.04
  6. Step 6: Final answer
    x = 9,821.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.