Home / 10,961.12-16,416.47-6,568.90

Finding the Fourth Proportional to 10,961.12, 16,416.47 and 6,568.90

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Solution

The fourth proportional to 10,961.12, 16,416.47 and 6,568.90 is: 9,838.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.12 : 16,416.47 = 6,568.90 : x
  2. Step 2: Convert to fraction form
    10,961.12/16,416.47 = 6,568.90/x
  3. Step 3: Cross multiply
    10,961.12x = 16,416.47 × 6,568.90
  4. Step 4: Simplify right side
    10,961.12x = 107,838,125.16
  5. Step 5: Solve for x
    x = 107,838,125.16/10,961.12
  6. Step 6: Final answer
    x = 9,838.24

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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.