Home / 10,830.66-16,211.12-8,727.02

Finding the Fourth Proportional to 10,830.66, 16,211.12 and 8,727.02

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Solution

The fourth proportional to 10,830.66, 16,211.12 and 8,727.02 is: 13,062.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.66 : 16,211.12 = 8,727.02 : x
  2. Step 2: Convert to fraction form
    10,830.66/16,211.12 = 8,727.02/x
  3. Step 3: Cross multiply
    10,830.66x = 16,211.12 × 8,727.02
  4. Step 4: Simplify right side
    10,830.66x = 141,474,768.46
  5. Step 5: Solve for x
    x = 141,474,768.46/10,830.66
  6. Step 6: Final answer
    x = 13,062.43

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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.