Home / 11,008.64-16,511.04-5,460.16

Finding the Fourth Proportional to 11,008.64, 16,511.04 and 5,460.16

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Solution

The fourth proportional to 11,008.64, 16,511.04 and 5,460.16 is: 8,189.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.64 : 16,511.04 = 5,460.16 : x
  2. Step 2: Convert to fraction form
    11,008.64/16,511.04 = 5,460.16/x
  3. Step 3: Cross multiply
    11,008.64x = 16,511.04 × 5,460.16
  4. Step 4: Simplify right side
    11,008.64x = 90,152,920.17
  5. Step 5: Solve for x
    x = 90,152,920.17/11,008.64
  6. Step 6: Final answer
    x = 8,189.29

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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.