Home / 10,908.54-16,337.88-8,563.20

Finding the Fourth Proportional to 10,908.54, 16,337.88 and 8,563.20

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Solution

The fourth proportional to 10,908.54, 16,337.88 and 8,563.20 is: 12,825.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.54 : 16,337.88 = 8,563.20 : x
  2. Step 2: Convert to fraction form
    10,908.54/16,337.88 = 8,563.20/x
  3. Step 3: Cross multiply
    10,908.54x = 16,337.88 × 8,563.20
  4. Step 4: Simplify right side
    10,908.54x = 139,904,534.02
  5. Step 5: Solve for x
    x = 139,904,534.02/10,908.54
  6. Step 6: Final answer
    x = 12,825.23

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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.