Home / 11,106.28-16,656.99-6,416.38

Finding the Fourth Proportional to 11,106.28, 16,656.99 and 6,416.38

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Solution

The fourth proportional to 11,106.28, 16,656.99 and 6,416.38 is: 9,623.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.28 : 16,656.99 = 6,416.38 : x
  2. Step 2: Convert to fraction form
    11,106.28/16,656.99 = 6,416.38/x
  3. Step 3: Cross multiply
    11,106.28x = 16,656.99 × 6,416.38
  4. Step 4: Simplify right side
    11,106.28x = 106,877,577.50
  5. Step 5: Solve for x
    x = 106,877,577.50/11,106.28
  6. Step 6: Final answer
    x = 9,623.17

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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.